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Cranks can be powered by hand (e.g., a winch) or foot (e.g., a bicycle pedal). 2. Key Examples & Applications

Reciprocating engines use crankshafts to convert piston motion into rotation. Cranks can be powered by hand (e

Early automobiles required a starting crank (a "starting handle") to initiate the engine, a technique still used in some specialized or historic vehicles. a winch) or foot (e.g.

Hand winches, fishing reels, mechanical pencil sharpeners, and carpenter's braces. mechanical pencil sharpeners

In daily language, the phrase "crank up" means to start something mechanical or to increase the level/volume of something (e.g., "crank up the music"). If you'd like, I can provide more specific details on: How to fix a stiff engine crankshaft