secondary combustion
71Scotch marine boiler — German example. Note the steam dome, a typically German feature, and also the corrugated furnaces. A Scotch marine boiler (or simply Scotch boiler) is a design of steam boiler best known for its used on ships …
72Fossil-fuel power station — A working coal plant in Rochester, Minnesota The St. Clair Power Plant, a large coal fired ge …
73Turbojet — Turbojets are the oldest kind of general purpose jet engines. Two engineers, Frank Whittle in the United Kingdom and Hans von Ohain in Germany, developed the concept independently during the late 1930s, although credit for the first turbojet is… …
74Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …
75Chemical reaction — Chemical reactions redirects here. For the 2007 television episode, see Chemical Reactions (Men in Trees). A thermite reaction using iron(III) oxide. The sparks …
76Ozone — For other uses, see Ozone (disambiguation). Ozone …
77Ford CVH engine — The letters CVH denote a particular type of 4 cylinder internal combustion engine produced by the Ford Motor Company during the 1980s and 1990s. The CVH ( Compound Valve angle Hemispherical combustion chamber ) engine was introduced by Ford in… …
78Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
79Turbocharger — A turbocharger, or turbo, is an air compressor used for forced induction of an internal combustion engine. Like a supercharger, the purpose of a turbocharger is to increase the mass of air entering the engine to create more power. However, a… …
80Radical (chemistry) — Free radical redirects here. For other uses, see Free radical (disambiguation). Moses Gomberg (1866 1947), the founder of radical chemistry Radicals (often referred to as free radicals) are atoms, molecules, or ions with unpaired electrons on an… …
