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