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