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出典:Wikipedia
出典:『Wikipedia』 (2011/05/15 13:38 UTC 版)
A fire piston, sometimes called a fire syringe, is a device of ancient origin which is used to kindle fire. It uses the principle of the heating of a gas (in this case air) by its rapid (adiabatic) compression to ignite a piece of tinder, which is then used to set light to kindling.
fire piston