Design Criteria

1. Environmentally Friendly

2. Not Too Large

3. Reliable

3.1. Consistant

4. Compatible

5. Portable

5.1. Light

6. Manufacture Process

7. Cheap

7.1. £50-175 (subsidised by government)

8. Aesthetically Pleasing

8.1. Fits into environment

8.1.1. Local materials

8.1.2. Plastic

9. Simplistic

10. Feedback Systems

11. Durable/ Longevity

12. Practical

12.1. Educate People on how to use and run

12.1.1. University students

12.1.2. Lecturers

12.1.3. Government Officials