keywonesumpteroya9o9 keywonesumpteroya9o9

13-11-2017
Computers and Technology

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A pneumatic drill is commonly used

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JadeFeline JadeFeline

13-11-2017

A Pneumatic drill, also called a Jackhammer, is a portable machine driven by compressed air. They are normally used for drilling in rocks, breaking pavement, and applications. Hope this helps! :)

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