________ is a company that produces goods in large quantity

A big building in which products are made is ________

A person who buys a product or services is called ________

Before we buy a car, we should consider the ________ of the product. so we are protected from the danger.

To check the passengers' safety and the car's strength, car manufacturers do a _______ test before it comes to the customer.

A car manufacturer uses a _______ to do a crash test.

To check if the product is waterproof, the manufacturer will do ______ test.

______ test is commonly used in electronic or automotive industries to make sure that the products are not easily broken.

If your car needs repairing, you can _____ it to a car mechanic.