vulcanization press
31Tetrabromomethane — CBr4 redirects here. For the Transport Canada location, see Clinton (Bleibler Ranch) Aerodrome. Tetrabromomethane …
32Cross-linked polyethylene — PEX redirects here. For other uses, see Pex (disambiguation). Cross linked polyethylene, commonly abbreviated PEX or XLPE, is a form of polyethylene with cross links. It is formed into tubing, and is used predominantly in hydronic radiant heating …
33Disulfur dichloride — Disulfur dichloride …
34Rubber boom — The rubber boom was an important part of the economic and social history of Brazil, being related with the extraction and commercialization of rubber. This boom was centered in the Amazon, facilitating a large expansion of colonization,… …
35birth control — regulation of the number of children born through the deliberate control or prevention of conception. Cf. family planning (def. 1). [1914, Amer.] * * * Voluntary limiting of human reproduction, using such means as contraception, sexual abstinence …
