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 ?
Still, it's tough work for the teams of horticulture students tilling earth with jackhammers, trying to penetrate red earth compacted for future construction.
PCI II Ultra Wide Differential models come with two PCI Ultra Differential JackHammers.
The council might not want to have jackhammers going on while they are holding council meetings.
But the new regulation won't silence the rest of the racket of modern civilization - the din of garbage trucks, the slamming of metal refuse bins, the annoying beep-beep-beep warning as trucks back up, the head-throbbing jackhammers, the raucous pounding of amplified car stereos, the pop-pop of handgun fire, the wild acceleration of cars speeding away from curbside crime in the uncivil urban landscape, and the wailing sirens of police cars, ambulances and fire trucks rushing to the mayhem.
Also in the Tobeler trove authorities found: jackhammers, pipe threaders and benders, drilling equipment, Geiger counters, a windmill for generating power on a boat, about 200 pounds of sterling service sets, a large Asian art collection, more than 200 Persian rugs, World War II-era mine detectors, 40 standing video arcade games, a collection of grenades and artillery pieces, explosives and blasting caps.
The last time NASCAR's Winston Cup rolled through the Los Angeles area - in 1988, just before the jackhammers bit into Riverside International Raceway - the sport was seen as the near-exclusive domain of the good ol' boy.
THE jackhammers have ceased their endless drilling, and the freeways are jammed once again with people headed to work, exercise class and the grocery store.
You can hear it from the constant background noise of jackhammers.
And how about those jackhammers the city street department uses?
No, I did not,'' he says, shaking his head in memory of the three months of jackhammers in his back yard.
Reading down the list of sites, you can hear the echoes of feet pounding over ancient petroglyphs in the Philippines, hear the jackhammers setting to work on a new marina on the site of ancient Tyre.