marteau-piqueur -> jackhammer

Frederique

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marteau-piqueur -> jackhammer

Un marteau-piqueur est un outil permettant la destruction locale de matériaux durs tels que les roches, le béton et l’asphalte.
Wikipédia



A jackhammer is a power tool that combines a hammer and chisel. Hand-held jackhammers are typically powered by compressed air, but some used electric motors. Larger jackhammers used on construction machinery are usually hydraulically powered. They are usually used to breakup rock, pavement, and concrete.
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