-- See Also Industrial ecology Here are entered works on optimizing the industrial materials cycle through design and production processes in order to minimize waste, pollution, and costs.
-- See Also Purchasing Here are entered works on purchasing in general and on the purchasing activities of business enterprises in retail or service industries. Works on purchasing for manufacturing purposes are entered under Industrial procurement. Works on consumer buying are entered under Shopping. --subdivision Purchasing under types of products and services and individual animals and groups of animals, e.g. Automobiles--Purchasing; Cattle--Purchasing