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21Relief valve — The relief valve is a type of valve used to control or limit the pressure in a system or vessel which can build up by a process upset, instrument or equipment failure, or fire. The pressure is relieved by allowing the pressurised fluid to flow… …
22Water-tube boiler — A water tube boiler is a type of boiler in which water circulates in tubes heated externally by the fire. Water tube boilers are used for high pressure boilers. Fuel is burned inside the furnace, creating hot gas which heats up water in the steam …
23Reverse-flow cylinder head — A reverse flow or non crossflow cylinder head is one that locates the intake and exhaust ports on the same side of the engine. The gases can be thought to enter the cylinder head and then change direction in order to exit the head. This is in… …
24Corium (nuclear reactor) — LFCM redirects here. For the airport, see List of airports by ICAO code: L. The Three Mile Island reactor 2 after the meltdown. Corium, also called fuel containing material (FCM) or lava like fuel containing material (LFCM), is a lava like molten …
25Chevrolet S-10 EV — Chevrolet S 10 Electric Manufacturer General Motors Also called S 10 Electric, S 10E, S 10EV, E10, and E14 Production 1997–1998 …
26Underfloor heating — Heat can be provided by circulating heated water or by electric cable, mesh, or film heaters.Underfloor heating can be used with concrete and wooden floors, with all types of floor covering (e.g., stone, tile, wood, vinyl, and carpet), and at… …
27coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
28Chemical affinity — In chemical physics and physical chemistry, chemical affinity is the electronic property by which dissimilar chemical species are capable of forming chemical compounds.[1] Chemical affinity can also refer to the tendency of an atom or compound to …
29Pontiac V8 engine — From 1955 to 1981 the Pontiac Division of General Motors manufactured its own, unique V8 engines, distinct from Buick, Cadillac, Chevrolet, or Oldsmobile. Displacement began at 287 in³ and grew as large as 455 in³ (7.5 L) by 1970. Pontiac s… …
30Honda CBR900RR — Infobox Motorcycle name = Honda CBR900RR aka = Fireblade manufacturer = Honda production = 1992 2003 predecessor = successor = CBR1000RR parent company = class = super bike platform = related = Honda CBR600RR Honda CBR1000RR Honda CB900F similar …
