https://bostonequator.com/2021/08/31/behind-the-scenes-of-directional-boring/ As the video illustrates, all work takes place underground. It is done using a rotating, cylindrical bit equipped with a tri-cone, attached to an extremely lengthy lead line. The bit spits water from the cone to cool it down and accelerate directional boring. The driller uses the space of a tiny area for collecting …
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