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