Parameters of the largest item in the area you want to recycle: height + diameter + weight Annual ambient temperature and environmental characteristics: for cold areas we need to design insulation, for extremely hot areas we need to consider heat dissipation, for strong wind areas we consider enhanced fixing The characteristic language that the machine aspires to use (text + sound + pattern) your business model Electrical parameters: voltage/frequency/plug characteristics (for international customers) The number of customers in the region and the expected one-day (product storage design)