The operator aims the tool to the desired exit point and allows it to perform its function creating a bore hole under the ground without disturbing the surface the tool is tracked by the operator who feels the pounding and can approximate the tools location under the ground.
The operator aims the tool to the desired exit point. The operator allows it to perform its function creating a bore hole under the ground without disturbing the surface. The tool is tracked by the operator the surface. This operator feels the pounding. This operator can approximate the tools location under the ground.