Jackhammer

File:US Navy 090818-N-0807W-092 Construction Electrician 2nd Class Eric Smith and Utilitiesman 2nd Class Kareen Vilbrun break down rocks with a jackhammer during a building renovation.jpg

Man digging with a jackhammer during construction.

Man digging with a jackhammer to break the hard permafrost in Alaska to study soil.

A jackhammer is an object used commonly in construction for the purpose of breaking through the ground, or other things.

Jackhammer Media

• Pneumatic drill.jpeg

  I took this photo. Pneumatic drill / jackhammer, with black en:silencer.

• Jackhammer-japan-july2013.ogv

  (video) A construction worker uses a jackhammer in Japan

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  A gasoline-powered breaker on a demolition site

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  A compressor for running a pneumatic jackhammer

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  A single-phase demolition breaker

• Excavator jackhammer.jpg

  An excavator-mounted hydraulic jackhammer being used to break up concrete. Note it is adding the weight of the forward half and boom of the machine to aid the driver's effectiveness

• Tennessee Valley Authority Douglas Dam French Broad River Sevier County TN man with jackhammer 1942.gif

  Drilling a blast hole with a jackhammer

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  Air hose connection on pneumatic drill

Other websites

• How jackhammers work
• How Rotary Hammers Work