mechanical electrical plumbing
51Engineering society — An engineering society is a professional organization for engineers of various disciplines. Some are umbrella type organizations which accept many different disciplines, while others are discipline specific. Many award professional designations,… …
52Cross-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 …
531990 New Year Honours — Contents 1 United Kingdom 1.1 Life Peers 1.2 Privy Counsellors 1.3 Knights Bachelor 1.4 Order of the …
54Northern Melbourne Institute of TAFE — (NMIT) Established 1988 with historical antecedents from 1912 Type TAFE Institute Endowment A$267.237million …
55technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
56Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
57aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
58CSA International — (Canadian Standards Association), a member of the CSA Group, is a provider of product testing and certification services for electrical, mechanical, plumbing, gas and a variety of other products. Recognized in the U.S., Canada and around the… …
59Bathroom — This article is about rooms for bathing. For a room containing a toilet and possibly also a sink, see toilet (room). For a public toilet, see public toilet. A smaller U.S. residential bathroom A bathroom is a room for bathing in containing a… …
60Royal Engineers — British Army Arms and Services Combat Arms Royal Armoured Corps Infantry Guards Division Scottish Division …
