flame ignition
41Internal 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 …
42Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
43Wildfire — This article is about uncontrolled outdoor fire. For the New York rock band, see Forest Fire (band). For other uses, see Wildfire (disambiguation). Crown Fire redirects here. For the 2010 wildfire in Southern California, see 2010 California… …
44Flare (countermeasure) — A Lockheed AC 130U Spooky releasing decoy flares. An IAF AH 64 Apache releasing decoy flares. A (decoy) flare is an aerial infrared countermeasure …
45Gunpowder — For other meanings, see gunpowder (disambiguation). Black powder for muzzleloading rifles and pistols in FFFG granulation size. Coin (diameter 24 mm) for comparison. Gunpowder, also known since in the late 19th century as black powder, was the… …
46Thermobaric weapon — A thermobaric weapon, which includes the type known as a fuel air bomb , is an explosive weapon that produces a blast wave of a significantly longer duration than those produced by condensed explosives. This is useful in military applications… …
47Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …
48Component parts of internal combustion engines — Internal combustion engines come in a wide variety of types, but have certain family resemblances, and thus share many common types of components. Contents 1 Combustion chambers 2 Ignition system 2.1 Spark 2.2 Compression …
49Lighter — For other uses, see Lighter (disambiguation). A generic, disposable lighter …
50Thermite — is a pyrotechnic composition of aluminium powder and a metal oxide which produces an aluminothermic reaction known as a thermite reaction. It is not explosive, but can create short bursts of extremely high temperatures focused on a very small… …
