You have designed a machine that ties the laces on shoes why would you create a prototype

1.to introduce your new product to the world with a viral video
2.to young children keep their shoes tied
3.go define the problem you are trying to solve
4.to test the machine to make sure it ties shoes correctly

4.

Explanation:

because if the invention doesn't work you could get sued or even put in jail because someone might not be able to get the shoe off

professionals can use many types of technology that can them. some examples are, computers (they research and can use for programs for data, they are also used for job applications, school work, and even to make new ideas), speedometers (can get data for unknown data), sometimes something as small as a pen (used for rough drafts, to insert data, and again job applications).

lol me. hope this ! lol