EPS@ISEP | The European Project Semester (EPS) at ISEP

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report [2018/06/15 16:28] – team3report [2018/06/26 13:21] (current) – team3
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 **The Team members:** **The Team members:**
-  * Maarten van der Most, from The Netherlands (HHS), studying Industrial Engineering and Management. +    * Maarten van der Most, from The Netherlands (HHS), studying Industrial Engineering and Management. 
-  * Wouter Smit, from the Netherlands (SUAS), studying Industrial Design. +    * Wouter Smit, from the Netherlands (SUAS), studying Industrial Design. 
-  * Damien Cordeiro Marques, from France (ENIT), studying Mechanical Engineering +    * Maria Bagiami, from Greece (TEIWM), studying Environmental Engineering. 
-  * Maria Bagiami, from Greece (TEIWM), studying Environmental Engineering. +    * Damien Cordeiro Marques, from France (ENIT), studying Mechanical Engineering 
-  * Mostafa Farrag, from Scotland (GCU), studying Electrical Engineering.+    * Mostafa Farrag, from Scotland (GCU), studying Electrical Engineering. 
 + 
 +Figure {{ref>flabel167.1}} each member photo. 
 +<WRAP centeralign> 
 +<figure flabel167.1> 
 +{{ :team.png?1000 |}} 
 +<caption> Each member photo </caption> 
 +</figure> 
 +</WRAP>
  
 ==== - Motivation ==== ==== - Motivation ====
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 As shown in the table above, there are not many people who have any experience on using microcontrollers, only team members who have experience on following Arduino (UNO) is Damien (Cordeiro) and Mostafa (Farrag) and for Raspberry Pi is only Damien. Team three agreed that they will choose either Raspberry Pi or Arduino, has yet not specified which type will choose for the current project (Billy). Next chapter will talk about which microcontrollers will be used.   As shown in the table above, there are not many people who have any experience on using microcontrollers, only team members who have experience on following Arduino (UNO) is Damien (Cordeiro) and Mostafa (Farrag) and for Raspberry Pi is only Damien. Team three agreed that they will choose either Raspberry Pi or Arduino, has yet not specified which type will choose for the current project (Billy). Next chapter will talk about which microcontrollers will be used.  
  
 +9) Characteristics of MQ-135
 +
 +The MQ135 measures the concentration of CO<sub>2</sub>, NH<sub>3</sub>, NO<sub>x</sub>, benzene and alcohol in parts per million (ppm). Based on different studies the team has found out that if the value is below 500 ppm it means that quality of air is good and if the value is higher than 500 ppm it means that the quality of air is bad [(slideshare | Accessed 15th of June| https://www.slideshare.net/Pravin1993/air-quality-monitoring-system)]. The team have demonstrated these values under test and when the value was below 500 ppm green LED illuminated and when value was over 500 ppm the red light illuminated. These studies have done by team are displayed in Figure 15 and 16. The MQ-135 sensor is giving a value between 0 and 1023 with 1023 = 5 V. To convert into volt, we have to do Volt= Value / 1024 * 5.
 +
 +Figure {{ref>flabel611}} displays the results of MQ-135.
 +<WRAP centeralign>
 +<figure flabel611>
 +{{ :mq-135_results.jpg?600 |}}
 +<caption> Results of MQ-135 [(slideshare | Accessed 15th of June| https://www.slideshare.net/Pravin1993/air-quality-monitoring-system)]. </caption>
 +</figure>
 +</WRAP>
 +
 +Figure {{ref>flabel621}} displays the air quality index.
 +<WRAP centeralign>
 +<figure flabel621>
 +{{ :qulaity_index.jpg?600 |}}
 +<caption> Air quality index. </caption>
 +</figure>
 +</WRAP>
  
 ==== - Microcontroller Wi-Fi ==== ==== - Microcontroller Wi-Fi ====
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 **Aesthetics and perception** **Aesthetics and perception**
-The aesthetics and perception give a meaning to what feeling you want to give the user when seeing or using the product you’re working on. Our product makes people aware of the effects of air pollution and this is why it should give a ‘green’ feeling and a trustworthy feeling to not be scared to approach the billboard to use it. Besides the fact that it should look ‘green’, the machine needs to be hufter proof (strong and sturdy) in case people try to demolish the billboard on a night out for example. When you’re walking through the streets it should draw the attention of the potential user by LED.+The aesthetics and perception give a meaning to what feeling you want to give the user when seeing or using the product you’re working on. Our product makes people aware of the effects of air pollution and this is why it should give a ‘green’ feeling and a trustworthy feeling to not be scared to approach the billboard to use it. Besides the fact that it should look ‘green’, the machine needs to be  proof (strong and sturdy) in case people try to demolish the billboard on a night out for example. When you’re walking through the streets it should draw the attention of the potential user by LED.
  
 **Morphological scheme** **Morphological scheme**
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 ==== - Time ==== ==== - Time ====
  
-The Team has developed their planning by using Microsoft Project to construct a Gantt chart. The Gantt chart was done in order for the team to set their deadline for each action. This show is shown in Figure 24 below. Also, was done in order for the team to control the project advancement and manage their own time with each task. The team can know their current tasks and deadline for next deliverable by looking at their timeline.+The Team has developed their planning by using Microsoft Project to construct a Gantt chart. The Gantt chart was done in order for the team to set their deadline for each action. This show is shown in Figure 27 below. Also, was done in order for the team to control the project advancement and manage their own time with each task. The team can know their current tasks and deadline for next deliverable by looking at their timeline.
  
 Figure {{ref>flabel7.7}} below displays the "//The Gantt Chart//". Figure {{ref>flabel7.7}} below displays the "//The Gantt Chart//".
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   * Founded: November 2013   * Founded: November 2013
   * Investors: Altos Ventures, Chester Roh, FuturePlay, Global Brain Corporation, GS Home Shopping, John Maeda, K Cube Ventures, LB Investment / R/GA, F/GA Ventures, Samsung Ventures, Techstars   * Investors: Altos Ventures, Chester Roh, FuturePlay, Global Brain Corporation, GS Home Shopping, John Maeda, K Cube Ventures, LB Investment / R/GA, F/GA Ventures, Samsung Ventures, Techstars
-  * The product named Awair is an indoor air quality monitor that tracks the toxins and chemicals in the air along with the levels of humidity and dust and provides recommendations on ways to improve the air quality. Last year they received a hefty $4.5M in a Series A funding round, including from John Maeda and Chester Roh [(cleantechnica | Accessed 13th of April | https://cleantechnica.com/2017/08/11/best-air-pollution-startups/)].+  * The product named Awair is an indoor air quality monitor that tracks the toxins and chemicals in the air along with the levels of humidity and dust and provides recommendations on ways to improve the air quality. Last year they received a hefty $ 4.5 million in a Series A funding round, including from John Maeda and Chester Roh [(cleantechnica | Accessed 13th of April | https://cleantechnica.com/2017/08/11/best-air-pollution-startups/)].
 This rival is an indirect threat because the product is very similar and has a huge budget compared to Billy but, it is used for indoor and focusses on the B2C market, while Billy focuses on the B2B market. This rival is an indirect threat because the product is very similar and has a huge budget compared to Billy but, it is used for indoor and focusses on the B2C market, while Billy focuses on the B2B market.
    
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   * Founded: 2012   * Founded: 2012
-  * The Air Quality Egg enables people to measure pollution levels with the device, and then to share this data with other Egg users to create a powerful data network. There are 5 varieties of Egg model capable of measuring 7 different pollutants, such as particulate matter, carbon monoxide, volatile organic compounds, and more. The devices use an app for configuration, with data then uploaded automatically to the internet where it can be analysed and shared. The device won a “Best of Kickstarter 2012” award, raising more than 144,000 dollars [(cleantechnica | Accessed 13th of April | https://cleantechnica.com/2017/08/11/best-air-pollution-startups/)].. This rival is an indirect threat because the product is very similar and has a huge budget compared to Billy but, it is used for indoor and focuses on the B2C market, while Billy focuses on the B2B market.+  * The Air Quality Egg enables people to measure pollution levels with the device, and then to share this data with other Egg users to create a powerful data network. There are 5 varieties of Egg model capable of measuring 7 different pollutants, such as particulate matter, carbon monoxide, volatile organic compounds, and more. The devices use an app for configuration, with data then uploaded automatically to the internet where it can be analysed and shared. The device won a “Best of Kickstarter 2012” award, raising more than $ 144,000 [(cleantechnica | Accessed 13th of April | https://cleantechnica.com/2017/08/11/best-air-pollution-startups/)].. This rival is an indirect threat because the product is very similar and has a huge budget compared to Billy but, it is used for indoor and focuses on the B2C market, while Billy focuses on the B2B market.
  
 **Supplier Power** **Supplier Power**
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 </WRAP> </WRAP>
  
-**Weaknesses**  +Out of the swot analysis we can conclude the project had some weaknesses. First of all, none of the team members really have had any serious business experience and since the product did not have direct competitors, they could not study their marketing strategies. The team members come from different countries and did not speak the same native language, which could represent a weakness to communicate with one another and made their points of view clear. The team only had a very limited time to complete the project compared to her competitors which is also a weakness. As for last weakness, the team only has a budget of 100 € in order to build a small prototype. The project also had many strengths, the team had different expertise on five important topics related to the project. The team is very small and a free structure which grants the team a lot of flexibility compared to her competitors. Billy has a unique selling point that it not only warns people on how bad the air pollution is in one area but also gives indications on where the pollution is worse and where it is better. Also, Billy does not only warn people about pollution but also gives advice what people can do to improve the air quality yourself. The team needed to take advantage of the opportunity to succeed in the market. One of the big opportunities for Billy is the growing focus of the European Union on the problem of air pollution. This growing focus resulted in a law for the European countries that their level of air pollution could not exceed a certain level of pollution. This is an opportunity for Billy because it can measure the air pollution for governments and also help them improve the air quality to stay within legal levels, to avoid fines from the European Union. Except for opportunities the project also had threats. One of the big threats for Billy is the fast and dynamic market the team wants to enter. In this market, technology is a key for a competitive advantage, because the more a billboard can do for the customer at a lower price the better the competitive advantage. There are a lot of ideas of air improving billboards in progress, which puts a lot of pressure on the project to keep innovating to stay ahead of the competition. One of the biggest treats for Billy is the development of an application on smart phones whit can do the same things as Billy.
-The project had some weaknesses. First of all none of the team members really have had any serious business experience and since the product did not have direct competitors, they could not study their marketing strategies. The team members come from different countries and did not speak the same native language, which could represent a weakness to communicate with one another and made their points of view clear. The team only had a very limited time to complete the project compared to her competitors which is also a weakness. As for last weakness, the team only has a budget of 100 euro in order to build a small prototype.  +
- +
-**Strengths** +
-The project also had many strengths, the team had different expertise on five important topics related to the project. The team is very small and a free structure which grants the team a lot of flexibility compared to her competitors. Billy has a unique selling point that it not only warns people on how bad the air pollution is in one area but also gives indications on where the pollution is worse and where it is better. Also, Billy does not only warn people about pollution but also gives advice what people can do to improve the air quality yourself.  +
- +
-**Opportunity** +
-The team needed to take advantage of the opportunity to succeed in the market. One of the big opportunities for Billy is the growing focus of the European Union on the problem of air pollution. This growing focus resulted in a law for the European countries that their level of air pollution could not exceed a certain level of pollution. This is an opportunity for Billy because it can measure the air pollution for governments and also help them improve the air quality to stay within legal levels, to avoid fines from the European Union.  +
- +
-**Threats** +
-Except for opportunities the project also had threats. One of the big threats for Billy is the fast and dynamic market the team wants to enter. In this market, technology is a key for a competitive advantage, because the more a billboard can do for the customer at a lower price the better the competitive advantage. There are a lot of ideas of air improving billboards in progress, which puts a lot of pressure on the project to keep innovating to stay ahead of the competition. One of the biggest treats for Billy is the development of an application on smart phones whit can do the same things as Billy.+
  
 ==== - Strategic Objectives ==== ==== - Strategic Objectives ====
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-Groom forecasts that the fastest-growing regions in 2017 and 2018 will be southeast Asia ( ASEAN) ( 12,2%), Central and Eastern Europe (8,8 %) and Latin America ( 6,6 % ). +Groom forecasts that the fastest-growing regions in 2017 and 2018 will be southeast Asia ( ASEAN) ( 12.2%), Central and Eastern Europe (8.8 %) and Latin America ( 6.6 % ). 
-Zenith's 2018 list showcases the fastest growers, Latin America (3,4 % ), fast-track Asia ( 6,5 %) and Eastern Europe ( 10,2 %) while Mena is still the underperformer in terms of growth. In the case of Europe, despite some political uncertainty and the slow economy, the region's growth is still set to accelerate in 2018 to 2,5 %[(Focus economics| Accessed 13th of April| https://www.focus-economics.com/regions/central-and-eastern-europe)].+Zenith's 2018 list showcases the fastest growers, Latin America (3.4 % ), fast-track Asia ( 6.5 %) and Eastern Europe ( 10.2 %) while Mena is still the underperformer in terms of growth. In the case of Europe, despite some political uncertainty and the slow economy, the region's growth is still set to accelerate in 2018 to 2.5 %[(Focus economics| Accessed 13th of April| https://www.focus-economics.com/regions/central-and-eastern-europe)].
  
 Figure {{ref>flabel9.2}} displays the "// contributors ad spend growth 2017 - 2020//". Figure {{ref>flabel9.2}} displays the "// contributors ad spend growth 2017 - 2020//".
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 </WRAP> </WRAP>
  
-The table shows again that countries in the North-West part of Europe are the most interesting group for Billy because they are focussing the most on their wellbeing which Billy helps to provide.+Table 16 shows again that countries in the North-West part of Europe are the most interesting group for Billy because they are focussing the most on their wellbeing which Billy helps to provide.
  
 **Behavioural Segmentation** **Behavioural Segmentation**
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 ==== - Strategy/Positioning ==== ==== - Strategy/Positioning ====
-After the SWOT-analysis it is time to make choices on Billy`s strategic course. There are two ways to make strategic choices, from an inside-out point of view or from an outside-in point of view. Inside out focuses on the strengths of the company and looks for a market which fits their needs. Team Billy has chosen for the outside-in point of view, in which the company looks at a market and identifies its opportunities and how to take advantage of them. A great thinker on this point of view is Michael Porter. He describes three different strategies a company can use from an outside-in point of view. +After the SWOT-analysis it is time to make choices on Billy`s strategic course. There are two ways to make strategic choices, from an inside-out point of view or from an outside-in point of view. Inside out focuses on the strengths of the company and looks for a market which fits their needs. Team Billy has chosen for the outside-in point of view, in which the company looks at a market and identifies its opportunities and how to take advantage of them. A great thinker on this point of view is Michael Porter. He describes three different strategies a company can use from an outside-in point of view.
  
   - Cost leadership strategy   - Cost leadership strategy
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 **Cost leadership strategy** **Cost leadership strategy**
-The strategy whereby the company with as low as possible production and distribution costs keep the price as low as possible. The goal will often be to obtain the largest possible market share. The low selling price must be compensated by a higher sales volume. +he strategy whereby the company with as low as possible production and distribution costs keep the price as low as possible. The goal will often be to obtain the largest possible market share. The low selling price must be compensated by a higher sales volume.
  
 **Differentiation strategy** **Differentiation strategy**
-The differentiation strategy focuses on differentiating the organisation In regards to competitors. By differentiating and thus creating value, the image of an organisation can be distinctive compared to competitors. Because value is created, for example, the product gets more unique features and loyal customers, which makes them more willing to pay more for the product than for other products. +The differentiation strategy focuses on differentiating the organisation In regards to competitors. By differentiating and thus creating value, the image of an organisation can be distinctive compared to competitors. Because value is created, for example, the product gets more unique features and loyal customers, which makes them more willing to pay more for the product than for other products.
  
 **Focus strategy** **Focus strategy**
 The focus strategy focuses on competing in one specific segment of the market rather than the total market. With the generic competitive strategy focus strategy, there is, therefore, specialisation by focusing on a specific part of the market. A low-cost strategy (cost leadership) or differentiation strategy can be applied to the part of the market that is being focused on. Within the focus strategy, there is then a cost focus or differentiation focus. The focus strategy focuses on competing in one specific segment of the market rather than the total market. With the generic competitive strategy focus strategy, there is, therefore, specialisation by focusing on a specific part of the market. A low-cost strategy (cost leadership) or differentiation strategy can be applied to the part of the market that is being focused on. Within the focus strategy, there is then a cost focus or differentiation focus.
 +
 +** Strategy for Billy**
 +The team has chosen to position Billy with a differentiation strategy, which focuses on the USP of being able to detect air pollution, provide advice where to go and what people can do against air pollution in their city`s.
  
 ==== - Adapted Marketing-Mix ==== ==== - Adapted Marketing-Mix ====
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 **Price** **Price**
-To decide the product's final price, the team has a big direct competitor to compare it with. The total price of the prototype Billy was 79.04 euro, for example, the price for the electrical materials we need to build the prototype was 36.10 euro and for the materials we need to build the Billboard was 42.94 euro. ‘Billy could be sold at a higher price since it was a much higher quality product, but the team had to be careful not to over price the product that it would lead customers to decide to go with the competitors. It was also necessary to take into account the product's production costs and group's profit. The Team had a budget of 100.00 euro to develop the prototype. After it been built and the tests had been performed Billy will have to keep the actual production cost of the product, in order to sell the product on a reasonable profit. The target of the team is the combination of good quality and price in order to adapt with the needs of the customer. Because of competition purposes it is not possible to find the price of competitors because they only sell against companies. There for  the final price will be determent after the cost  of the final product is clear. An indication for the final price will be the prototype price time five. So for instance 400 euro per Billy.+To decide the product's final price, the team has a big direct competitor to compare it with. The total price of the prototype Billy was 79.04 €, for example, the price for the electrical materials we need to build the prototype was 36.10 € and for the materials we need to build the Billboard was 42.94 €. ‘Billy could be sold at a higher price since it was a much higher quality product, but the team had to be careful not to over price the product that it would lead customers to decide to go with the competitors. It was also necessary to take into account the product's production costs and group's profit. The Team had a budget of 100.00 € to develop the prototype. After it been built and the tests had been performed Billy will have to keep the actual production cost of the product, in order to sell the product on a reasonable profit. The target of the team is the combination of good quality and price in order to adapt with the needs of the customer. Because of competition purposes it is not possible to find the price of competitors because they only sell against companies. There for  the final price will be determent after the cost  of the final product is clear. An indication for the final price will be the prototype price time five. So for instance 400 € per Billy.
  
 **Promotion** **Promotion**
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 <WRAP centeralign> <WRAP centeralign>
 <figure flabel7.3> <figure flabel7.3>
-{{ ::detailedschematics4.png?nolink&600 |}}+{{ :global_architecture.png?600 |}}
 <caption> Global Architecture </caption> <caption> Global Architecture </caption>
 </figure> </figure>
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 <WRAP centeralign> <WRAP centeralign>
 <figure flabel975> <figure flabel975>
-{{ :flow_chart_1.png?600 |}}+{{ :flow_chart_1.1.png?600 |}}
 <caption> Flow Chart </caption> <caption> Flow Chart </caption>
 </figure> </figure>
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 OLED display test was completed by sending and displaying “Hello World” on the screen. Second, the temperature, humidity and air pressure (BME280) test was executed by reading and displaying the three values on the screen. Last, the gas (MQ-135) test was conducted by reading the values and lighting the four LED accordingly. OLED display test was completed by sending and displaying “Hello World” on the screen. Second, the temperature, humidity and air pressure (BME280) test was executed by reading and displaying the three values on the screen. Last, the gas (MQ-135) test was conducted by reading the values and lighting the four LED accordingly.
  
-Figure {{ref>flabel7.5}}, you can see the real electronic parts of "Billy": +Figure {{ref>flabel7.5}}, you can see the experimental set-up of “Billy”:
 <WRAP centeralign> <WRAP centeralign>
 <figure flabel7.5> <figure flabel7.5>
 {{ :explainationelectricalpart.jpg?600 |}} {{ :explainationelectricalpart.jpg?600 |}}
-<caption> Electronics parts </caption>+<caption> Experimental set-up </caption> 
 +</figure> 
 +</WRAP> 
 + 
 +The experimental set-up, which was assembled in a breadboard, includes the ESPduino micro-controller, the gas sensor (MQ-135), the humidity, temperature and air pressure sensor (BME280), the ultrasonic range sensor (HC-SR04), the OLED screen and a set of two of each red, white and green LED. 
 + 
 +==== - Prototype ==== 
 +Figure {{ref>flabel127.5}}, display prototype: 
 +<WRAP centeralign> 
 +<figure flabel127.5> 
 +{{ :prototype.jpg?600 |}} 
 +<caption> Prototype </caption>
 </figure> </figure>
 </WRAP> </WRAP>
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 ==== - Batch size ==== ==== - Batch size ====
-In order to bring order in the way to develop a product, the batch size is really important. Usually, it means that how bigger the batch size the cheaper to produce the product, to give an example: if the batch size is 500.000 the production methods, and every detail that comes with it, would be a big influence on the price. If the batch size would stay below a 100 products it wouldn’t be worth, in most cases, making complicated moulds that cost a lot of money their self’s, because a single 2 piece mould for a bigger part of the product could easily cost over 75.000 euro. +In order to bring order in the way to develop a product, the batch size is really important. Usually, it means that how bigger the batch size the cheaper to produce the product, to give an example: if the batch size is 500.000 the production methods, and every detail that comes with it, would be a big influence on the price. If the batch size would stay below a 100 products it wouldn’t be worth, in most cases, making complicated moulds that cost a lot of money their self’s, because a single 2 piece mould for a bigger part of the product could easily cost over 75.000 €. 
  
 Our product batch size will be defined by whether the municipal of the city wants to place it multiple, a part or one single region of the city. We choose a test batch as the first product to see if we can renew certain features after some time and get rid of the ‘child-deceases’, the chosen batch size is a hundredth (100) products to be able to start with one city. Our product batch size will be defined by whether the municipal of the city wants to place it multiple, a part or one single region of the city. We choose a test batch as the first product to see if we can renew certain features after some time and get rid of the ‘child-deceases’, the chosen batch size is a hundredth (100) products to be able to start with one city.
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 We choose to go with ‘normal’ carbon steel, the different types: We choose to go with ‘normal’ carbon steel, the different types:
-  - Low Carbon Steel (Mild Steel):  Typically contains 0.04% to 0.30% carbon content. This is one of the largest groups of Carbon Steel. It covers a great diversity of shapes; from Flat Sheet to Structural Beam. Depending on the desired properties needed, other elements are added or increased. For example: Drawing Quality (DQ) – The carbon level is kept low and Aluminum is added, and for Structural Steel the carbon level is higher and the manganese content is increased. +  - Low Carbon Steel (Mild Steel):  Typically contains 0.04 % to 0.30 % carbon content. This is one of the largest groups of Carbon Steel. It covers a great diversity of shapes; from Flat Sheet to Structural Beam. Depending on the desired properties needed, other elements are added or increased. For example: Drawing Quality (DQ) – The carbon level is kept low and Aluminum is added, and for Structural Steel the carbon level is higher and the manganese content is increased. 
-  - Medium Carbon Steel: Typically has a carbon range of 0.31% to 0.60%, and a manganese content ranging from .060% to 1.65%. This product is stronger than low carbon steel, and it is more difficult to form, weld and cut. Medium carbon steels are quite often hardened and tempered using heat treatment. +  - Medium Carbon Steel: Typically has a carbon range of 0.31 % to 0.60 %, and a manganese content ranging from 0.06 % to 1.65 %. This product is stronger than low carbon steel, and it is more difficult to form, weld and cut. Medium carbon steels are quite often hardened and tempered using heat treatment. 
-  - High Carbon Steel: Commonly known as “carbon tool steel” it typically has a carbon range between 0.61% and 1.50%. High carbon steel is very difficult to cut, bend and weld. Once heat treated it becomes extremely hard and brittle.+  - High Carbon Steel: Commonly known as “carbon tool steel” it typically has a carbon range between 0.61 % and 1.50 %. High carbon steel is very difficult to cut, bend and weld. Once heat treated it becomes extremely hard and brittle.
  
 The reason we go with the low carbon steel (mild steel) is that of its flexibility while forming or welding the parts which will make it cheaper to produce. Also, the material is very well when it comes down to re-use or recycling. The reason we go with the low carbon steel (mild steel) is that of its flexibility while forming or welding the parts which will make it cheaper to produce. Also, the material is very well when it comes down to re-use or recycling.
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 The top part assembly as you can see on the exploded view in Figure below has several requirements: The top part assembly as you can see on the exploded view in Figure below has several requirements:
   - It needs to be waterproof   - It needs to be waterproof
-  - It needs to be ‘hufter’ proof+  - It needs to be proof
    - Needs to have joining processes that could be dismantled for maintenance    - Needs to have joining processes that could be dismantled for maintenance
    - Joining processes for easy recycling     - Joining processes for easy recycling 
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 In order to strengthen the product up a part is developed that is attached to the top part and the stand of the billboard.  In order to strengthen the product up a part is developed that is attached to the top part and the stand of the billboard. 
-This part makes the structure more hufter proof and helps to create a nice design as well.+This part makes the structure more proof and helps to create a nice design as well.
  
 Figure {{ref>flabel880}} displays strengthen attachment: Figure {{ref>flabel880}} displays strengthen attachment:
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   * Joining process   * Joining process
-In order to make the product hufter proof special kinds of bolts will be used that need a special tool to be tightened, this way no one with a regular bit set can open the product.+In order to make the product proof special kinds of bolts will be used that need a special tool to be tightened, this way no one with a regular bit set can open the product.
  
 Figure {{ref>flabel890}} displays anti steal bolts: Figure {{ref>flabel890}} displays anti steal bolts:
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 The bottom part of the product is to position the product and make sure it keeps stable. The bottom part assembly has a few important requirements as well.  The bottom part of the product is to position the product and make sure it keeps stable. The bottom part assembly has a few important requirements as well. 
   - It needs to be strong enough to hold its own structure   - It needs to be strong enough to hold its own structure
-  - Needs make the whole product hufter proof (when people decide to climb on top of it for example)+  - Needs make the whole product proof (when people decide to climb on top of it for example)
   - Needs to be adjustable when it’s installed in a certain area (to position it as well as possible)   - Needs to be adjustable when it’s installed in a certain area (to position it as well as possible)
   - Needs to be installed as a different assembly in order to make it easier when building the product up   - Needs to be installed as a different assembly in order to make it easier when building the product up

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