n. natural substances used to manufacture products
factory
n. a building used to store products before they are
Chemicals
assembly line
quality control
v. to check that products, especially new ones, work properly
manage (verb)
raw materials
test
n. a building where things are made with machines
n. the use of machines with little or no human control
n. a system to ensure that the standard of a product is always good
warehouse
fertilizers, plastics, paints
n. an efficient sequence of workers and machines
v. to plan and develop new things, e.g. new products
