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