What materials should the individual components be made out of? Will a certain part wear out over time?
What type of intended use would be bad for a certain material?
The raw material cost per part should not exceed $10.00. Calculate this with material weight -vs - cost.
Decide how you would set up the factory that produces these devices in such a way to maximize the output. Be thorough in describing why you chose what you chose.
How many employees would it take to operate this factory?
How much does this add to the cost of producing 1,000 of these parts?