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  2. Lawn mower - Wikipedia

    en.wikipedia.org/wiki/Lawn_mower

    A residential riding or "ride-on" mower A battery-powered robotic lawn mower A commercial zero-turn mower. A lawn mower (also known as a grass cutter or simply mower, also often spelled lawnmower) is a device utilizing one or more revolving blades (or a reel) to cut a grass surface to an even height. The height of the cut grass may be fixed by ...

  3. Riding mower - Wikipedia

    en.wikipedia.org/wiki/Riding_mower

    Persons using a mower should wear heavy footwear, eye protection, and hearing protection in the case of engine-powered mowers. The American Academy of Pediatrics recommends that children be at least 12 years old before they are allowed to use a walk-behind lawn mower and at least 16 years of age before using a riding mower. They also should ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  5. Electric fire engine - Wikipedia

    en.wikipedia.org/wiki/Electric_fire_engine

    Whiting's electric fire engine. William H. H. Whiting was an insurance adjustor and auditor with a special interest in fire prevention. Mr. Whiting made improvements to the design of an electric fire engine which was granted a patent (#632,665) in 1899. the principal points are the special combination of motor, a rotary force-pump, controller and safety-valve, and automatic stop-motion.

  6. Fire engine - Wikipedia

    en.wikipedia.org/wiki/Fire_engine

    A fire engine or fire truck (also spelled firetruck) is a vehicle, usually a specially-designed or modified truck, that functions as a firefighting apparatus. The primary purposes of a fire engine include transporting firefighters and water to an incident as well as carrying equipment for firefighting operations in a fire drill.

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  8. Dead man's switch - Wikipedia

    en.wikipedia.org/wiki/Dead_man's_switch

    Interest in dead man's controls increased with the introduction of electric trams (streetcars in North America) and especially electrified rapid transit trains. The first widespread use came with the introduction of the mass-produced Birney One-Man Safety (tram) Car, though dead-man equipment was fairly rare on US streetcars until the successful PCC streetcar, which had a left-foot-operated ...

  9. V12 engine - Wikipedia

    en.wikipedia.org/wiki/V12_engine

    1991 Porsche 3512 Formula One engine. A V12 engine is a twelve-cylinder piston engine where two banks of six cylinders are arranged in a V configuration around a common crankshaft. V12 engines are more common than V10 engines. However, they are less common than V8 engines. The first V12 engine was built in 1904 for use in racing boats.