jackhammer


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jackhammer

[′jak‚ham·ər]
(mining engineering)

jackhammer

1. An airhammer.
2.A hand-operated, pneumatic, rock drill.
References in periodicals archive ?
Use the jackhammer to crack the concrete, not to punch holes.
Within about two hours, a hydraulic jackhammer on an excavator leveled seven prototypes.
Although the JackHammer costs $16, its elite-grade components and success on the tournament trail make it a bestseller.
Lowri Wynn Morgan, representing Mr Walker, said Mr Evans had sworn and "thrown" the jackhammer at his boss during a disagreement over equipment, before the pair fell to the ground in a "scuffle".
Its use would predate (or be the cheaper version) of the jackhammer type rivet setters.--Matt Powell, Black Creek Farm, Virginia
It's equipped with a jackhammer and a nuclear-powered lab whose 10 instruments, controlled by NASA scientists back on Earth, will test Martian soil and rocks.
Meanwhile, Tasmanians admitted they don't know what the 'Jackhammer' or 'Spitroast' positions are and 44 per cent are unsatisfied with their sex life.
Starting and finishing in Adelaide, the trip wasn't all smooth going - he said the vibrations from the bike were like "holding on to a jackhammer for 12 hours a day".
Fast, safe, clean, quiet, and easy to use, the Model 0300 Jackhammer is specifically designed for the office environment.
The tough rock is guttural and jackhammer in its urgency and ferocity.
Serhy Shemiuk, a mine worker in the east Ukrainian city of Dzerzhinsk, used a standard jackhammer to break free 170 tons of coal in a single shift on Monday, the report said, citing officials at the mining firm Mekhanyk.
They spent the greater part of the day in fixing the problem as they had to break up concrete with a jackhammer. They even cleared up all the rubble after finishing work.