rotary-field motor
51Poliomyelitis — Polio redirects here. For the virus, see Poliovirus. Not to be confused with poliosis, a condition of the hair being or becoming white or grey. Poliomyelitis Classification and external resources A man with an atrophie …
52Electric generator — U.S. NRC image of a modern steam turbine generator In electricity generation, an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge (usually carried by electrons) to flow… …
53Two-wheel tractor — in Italy (2008) Two wheel tractor or walking tractor are generic terms understood in the USA and in parts of Europe to represent a single axle tractor, which is a tractor with one axle, self powered and self propelled, which can pull and power… …
54Electrical generator — In electricity generation, an electrical generator is a device that converts mechanical energy to electrical energy, generally using electromagnetic induction. The reverse conversion of electrical energy into mechanical energy is done by a motor …
55airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …
56Hydraulic machinery — are machines and tools which use fluid power to do work. Heavy equipment is a common example.In this type of machine, high pressure hydraulic fluid is transmitted throughout the machine to various hydraulic motors and hydraulic cylinders. The… …
57automobile racing — Sport practiced in a variety of forms on roads, tracks, or closed circuits. It includes Grand Prix racing, speedway racing (including the Indianapolis 500), stock car racing, sports car racing, drag racing, midget car racing, and karting, as well …
58aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
59Numerical control — CNC redirects here. For other uses, see CNC (disambiguation). A CNC Turning Center …
60energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
