When testing a technological design, you may sometimes need to use a model instead of the real thing

QUESTION POSTED AT 01/06/2020 - 03:44 PM

Answered by admin AT 01/06/2020 - 03:44 PM

That's called a prototype, mainly used to save resources of the company or inventor. And used to look for flaws and perfect them to make the product more safe and efficient.
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