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2. Earth auger - Wikipedia

   en.wikipedia.org/wiki/Earth_Auger

   A skid-steer loader with an earth auger attachment. Construction drill auger. Hand-powered earth augers are typically used to plant saplings and trees or to set up posts for fences or other ends. [7] Large mechanized earth augers, called drilling rigs, are used to make holes for piles destined to be deep foundations or retaining wall. [citation ...

3. Drilling rig - Wikipedia

   en.wikipedia.org/wiki/Drilling_rig

   Its main function is the drilling of holes in the ground and other materials - or surfaces such as ice, wood, etc. The design of an auger depends on the kind of material it's meant to drill into, hence there are different types of auger drills. [11] Auger drills come in varying sizes and can drill holes up to a depth of 95 feet below the ground.

4. Underground pneumatic boring - Wikipedia

   en.wikipedia.org/wiki/Underground_pneumatic_boring

   Underground pneumatic drills can be used in the installation of public utilities like power lines, gas lines, phone cables, and cable television. It can also be used to install residential lawn irrigation systems. Boring is especially useful when it is difficult or cost-prohibitive to plow or trench.

5. Well drilling - Wikipedia

   en.wikipedia.org/wiki/Well_drilling

   Petroleum was used in ancient China for "lighting, as a lubricant for cart axles and the bearings of water-powered drop hammers, as a source of carbon for inksticks, and as a medical remedy for sores on humans and mange in animals." [2] In ancient China, deep well drilling machines were in the forefront of brine well production by the 1st ...

6. Post hole digger - Wikipedia

   en.wikipedia.org/wiki/Post_hole_digger

   A post hole clam-shell digger, also called post hole pincer or simply post hole digger, is a tool consisting of two articulated shovel-like blades, forming an incomplete hollow cylinder about a foot long and a few inches wide, with two long handles that can put the blades in an "open" (parallel) position or a "closed" (convergent) position.

7. Continuous flight augering - Wikipedia

   en.wikipedia.org/wiki/Continuous_flight_augering

   A continuous flight auger drill is used to excavate a hole and concrete is injected through a hollow shaft under pressure as the auger is extracted. Reinforcement is then inserted after the auger is removed. [1] This creates a continuous pile without ever leaving an open hole.