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