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Petrol hammer drill driven by gasoline engine is a broken tool practical for drilling, crushing and breaking. In some countries, it is also named rotary hammer but be started by petrol, a hand-held power tool, is perform for heavy duty tasks for drilling and breaking. It is safe, lightweight and easily exercisable. It is not dependant on the power supply, large air compressors, electric generators and other auxiliary equipment that can be used anywhere on the merits praise at home and abroad users. A very efficient machine with the compact structure as it could be, provide a bigger impact force to concrete than the traditional power supply because it is supplied directly by an engine instead of an aided air compressor.
