cold engine sludge
21Bahnbetriebswerk (steam locomotives) — A Bahnbetriebswerk (also abbreviated to Betriebswerk, Bw or BW) is the German term for a depot where the maintenance of railway locomotives and other rolling stock is carried out. It is roughly equivalent to a locomotive shed, running shed or… …
22List of G.I. Joe: A Real American Hero vehicles — For Dreadnok and Iron Grenadier vehicles, see Dreadnoks and Iron Grenadiers. The G.I. Joe: A Real American Hero toyline was introduced by Hasbro in 1982, and lasted to 1994, producing well over 250 vehicles (i.e. in universe are meant to move… …
23Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …
24Glossary of boiler terminology — Boilers for generating steam or hot water have been designed in countless different shapes, sizes and configurations. An extensive terminology has evolved to describe their common features. This glossary provides definitions for these terms.… …
25Autonomous building — An autonomous building is a building designed to be operated independently from infrastructural support services such as the electric power grid, municipal water systems, sewage treatment systems, storm drains, communication services, and in some …
26Biogas — Swamp gas redirects here. For the obsolete theory of emanations from swamps causing disease, see Miasma theory of disease. Pipes carrying biogas (foreground), natural gas and condensate …
27Stroke ratio — In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term which is used to describe the ratio between the diameter of the cylinder bore and the length of the piston stroke within its… …
28Automobile — For the magazine, see Automobile Magazine. Car and Cars redirect here. For other uses, see Car (disambiguation). Automobile …
29Dates of 2006 — ▪ 2007 January Keeping America competitive requires affordable energy. And here we have a serious problem. America is addicted to oil, which is often imported from unstable parts of the world. U.S. Pres. George W. Bush, in his state of the union… …
30Outline of automobiles — The following outline is provided as an overview of and topical guide to automobiles: Automobile (or motor car) – wheeled passenger vehicle that carries its own motor. Most definitions of the term specify that automobiles are designed to run… …
