gas check valve
51Hit and miss engine — A hit and miss engine is a type of four stroke internal combustion engine that was conceived in the late 1800s and was produced by various companies from the 1890s through approximately the 1930s. The name comes from the method of speed control… …
52CIGAR (aviation) — CIGAR or CIGARS is a mnemonic that refers to a pre takeoff checklist performed by general aviation pilots. The mnemonic stands for:*Controls: Check for free and correct movement of control surfaces with full deflections. *Instruments: Check… …
53Mobile incinerator — The role of incineration of waste and equipment used for it has changed radically in the recent years. While they were formerly notorious as pollutant spewing technical monsters in the eyes of citizens groups, nowadays, thermal waste treatment… …
54Fuel pump — should not be confused with fuel dispenser, a device that dispenses fuel into an automobile. A high pressure fuel pump on a Yanmar 2GM20 marine diesel engine. A fuel pump is a frequently (but not always) essential component on a car or other… …
55Wog — For other meanings, see WOG. Wog is a slang word with several meanings, some commonly derogatory, some not. As a racial epithet in English British racial term originating in the colonial period of the British Empire. It was used as a label for… …
56Antilag system — An anti lag system (ALS) is a system used on turbocharged engines to minimize turbo lag. Contents 1 Overview 2 Methods 2.1 Retarding ignition 2.2 Inlet bypass …
57Injector — An injector, ejector, steam ejector or steam injector is a pump like device that uses the Venturi effect of a converging diverging nozzle to convert the pressure energy of a motive fluid to velocity energy which creates a low pressure zone that… …
58Maple syrup — Bottled maple syrup Maple syrup is a syrup usually made from the xylem sap of sugar maple, red maple, or black maple trees, although it can also be made from other maple species such as the bigleaf maple. In cold climates, these trees store… …
59Flat roof — A flat roof is a type of covering of a building. In contrast to the sloped form of a roof, a flat roof is horizontal or nearly horizontal. Materials that cover flat roofs should allow the water to run off freely from a very slight… …
60Water meter — A typical residential water meter A water meter is a device used to measure the volume of water usage. This article provides an overview of technical aspects of water meters. The worldwide prevalence of metering as well as its economic benefits… …
