A jackhammer is a machine that is used to break up rocks. It is usually mounted on a truck, and it is used to drill into the rocks to get to the minerals that are inside them.
The jackhammer is being used to break up the rock wall.
The jackhammer is being used to drill into the rock.
noun
a hammer driven by compressed air
Synonyms:
1
A jackhammer is a percussive drill.
2
A jackhammer is a pneumatic drill.
3
And to have invented a silent jackhammer.
4
Just read you clean up of jackhammer.
5
It is out with the jackhammer and the hammer drill once again.
6
A jackhammer is a power tool that combines a hammer and chisel.
7
A 'jackhammer' is a power tool that combines a hammer and chisel.
8
As the jackhammer drumming is used by many metal bands nowadays.
9
A jackhammer operates by driving an internal hammer up and down.
10
Most pneumatic jackhammers now have a silencer around the barrel of the tool.