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 manage (verb) 3 quality control 4 assembly line 5 n. natural substances used to manufacture products 6 Chemicals 7 8 9 factory 10 v. to check that products, especially new ones, work properly raw materials n. the use of machines with little or no human control n. a system to ensure that the standard of a product is always good n. a building where things are made with machines test n. an efficient sequence of workers and machines v. to plan and develop new things, e.g. new products fertilizers, plastics, paints warehouse