ابحث
Jackhammer
01
آلة ثقب الصخور
a heavy-duty pneumatic or electric tool that uses rapid hammering or reciprocating motion to break up or demolish concrete, pavement, or other hard surfaces
مثال
The noise of the jackhammer echoed through the streets as road repairs were underway.
Pneumatics is widely used in construction equipment, including jackhammers and concrete breakers.
