jackhammer

Early the next day a crew came to fix the street. Vernon was out there at once, watching them jackhammer and haul the asphalt […]

The foundations for the barrier had been jackhammered away; the piles of broken concrete were just left alongside the road.

Small ledges had been jackhammered at each end of the crater and timbers bolted into them, forming abutments of the bridge that was to come.

[…] he lay rigid, his heart jackhammering, telling himself that there was nothing out there, nothing […]

He […] drew his knees toward his chest as far as the cramped space would allow, and jackhammered his feet into the forward wall of the trunk, which was formed by the backseat of the car.

Guam-based B-52 bombers, newly modified to haul 60,000 lbs. of bombs each, jackhammered a Viet Cong radio and communications center 35 miles northeast of Saigon.