A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either direction.
invented by Michael Faraday
Electromagnetic or magnetic induction is the production of an electromotive…
invented by Louis Pasteur
Pasteurization or pasteurisation is a process in which packaged and…
invented by
An internal combustion engine (ICE or IC engine) is a heat engine in which the…
invented by Elisha Otis
An elevator (North American English)[1] or lift (Commonwealth English)[2] is a…
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