working stroke valve
21Lincoln Industrial Corporation — (Lincoln) is a manufacturer of automated lubrication systems, manual lubrication equipment and industrial pumping systems. Founded in 1910, the company has been responsible for many of the inventions that established modern lubrication practices… …
22South African Class 15F 4-8-2 — 2940 Lynette at speed on the Johannesburg Magaliesburg line, 6 April 1992 Power type Steam Designer South African Railways Builder …
23GWR 4073 Class — Infobox Locomotive name = GWR 4073 Castle class powertype=Steam caption=5034 Corfe Castle fresh from Swindon Works, 1954. designer=Charles Collett builder=GWR / BR Swindon Works builddate=1923–1950 totalproduction = 171 gauge=RailGauge|ussg|lk=on …
24pre|ig|ni|tion — «PREE ihg NIHSH uhn», noun. the ignition of the explosive mixture in an internal combustion engine before the piston is in a position to begin its working stroke, especially before the inlet valve has closed or before full compression of the… …
25Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …
26Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… …
27Newcomen steam engine — Animation of a schematic Newcomen steam engine. – Steam is shown pink and water is blue. – Valves move from open (green) to closed (red) The atmospheric engine invented by Thomas Newcomen in 1712, today referred to as a Newcomen steam engine (or… …
28Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …
29technology, 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… …
30Automobile — For the magazine, see Automobile Magazine. Car and Cars redirect here. For other uses, see Car (disambiguation). Automobile …
