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