A lawn mower (also known as a mower, grass cutter or lawnmower) is a machine utilizing one or more revolving blades to cut a grass surface to an even height. The height of the cut grass may be fixed by the design of the mower, but generally is adjustable by the operator, typically by a single master lever, or by a lever or nut and bolt on each of the machine’s wheels.
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An internal combustion engine (ICE or IC engine) is a heat engine in which the…
Match
invented by John Walker
A match is a tool for starting a fire. Typically, matches are made of small…
Arc lamp
invented by Humphry Davy
An arc lamp or arc light is a lamp that produces light by an electric arc (also…
Ader Éole
invented by Clément Ader
“Eole” redirects here. For the racehorse, see Eole (horse) .The…
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