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