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How Do You Steer a Drill Below The Earth?
Like laparoscopic surgery for the earth, horizontal directional drilling (or HDD) doesn’t require digging open a large area ...
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Horizontal Directional Drilling Machines (HDD) Information
Horizontal directional drilling (HDD) machines are steerable, trenchless drilling rigs for the installation of pipes, conduits, and cables underground in a shallow arc. They are commonly used for ...