Running from a compressor, a pneumatic motor.
Others use electric or petrol motors.
A jackhammer is a machine used to break rock. It consists of a chisel that is rhythmically moved upward and downward via an internal motor. "Jackhammer" is also the name of a comic book villain, a wrestling powerslam, a song, a coitus position, and several people (as a nickname).
My Jackhammer was created in 2002.
The jackhammer is in the Gift Shop!
a jackhammer uses a pneumatic system.the jackhammer is a direct combination of a hammer and a chisel
your mom made the first jackhammer
the jackhammer isn't in the gift shop
The jackhammer was invented by Charles Brady King
The plural form for the noun jackhammer is jackhammers.
Jackhammer - comics - was created in 1975.
Go to the mine and find the hat and jackhammer on the darkest part
You get a jackhammer in the cave mine hidden on your map!
Err... 25,000 revolutions per minute? A revolution is a full turn. It depends on where the motor is to get a speed: if it's in a tiny R/C car, fast. A jackhammer, slow.