Matching Pairs Vocabulary Practice Online version Second misterm portfolio activities by Diana Ivette Tapia Fernández 1 n. a building used to store products before they are 2 Chemicals 3 quality control 4 factory 5 n. natural substances used to manufacture products 6 assembly line 7 8 v. to check that products, especially new ones, work properly 9 manage (verb) 10 fertilizers, plastics, paints n. a system to ensure that the standard of a product is always good test v. to plan and develop new things, e.g. new products n. an efficient sequence of workers and machines n. a building where things are made with machines raw materials warehouse n. the use of machines with little or no human control