The construction and mining industries employ several types of pneumatic tools to break through hard materials such as rock and concrete. Among the most common of these tools are rock drills, jac...
Drill pipe is an indispensable machine for mining machinery equipment. Drill pipe and drill bit are working devices of rock drill, which have great influence on the efficiency of rock drilling
Dril...
Controlled drilling helps shape natural-style rock formations
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In landscaping rockwork — such as artificial waterfalls, garden slopes, and decorative stone structures — bl...
In the 2nd century BC, China has used manpower and used bamboo bow elastic force to make the cone drill bit impact the ground to drill. Later, it was used in rural China for a long time. It was not...
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