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