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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. Screw-propelled vehicle - Wikipedia

   en.wikipedia.org/wiki/Screw-propelled_vehicle

   A screw-propelled vehicle. A screw-propelled vehicle is a land or amphibious vehicle designed to cope with difficult terrain, such as snow, ice, mud, and swamp. Such vehicles are distinguished by being moved by the rotation of one or more auger-like cylinders fitted with a helical flange that engages with the medium through or over which the vehicle is moving.

4. Tractor PTO auger - Wikipedia

   en.wikipedia.org/wiki/Tractor_PTO_auger

   This in turn will provide power to the Tractor PTO Auger's gearbox. Most modern [1] Tractor PTO Auger gearboxes come standard with a shear bolt to protect the gear drive if the auger encounters an obstruction such as rock during drilling a hole. Tractor PTO Augers connect via 3 point hitch to subcompact tractors and mid-size tractors. [2]

5. Ice drilling - Wikipedia

   en.wikipedia.org/wiki/Ice_drilling

   Pulling the drill out of the borehole brings the cuttings up on the disc. In the 1940s some patents for piston drill designs were filed in Sweden and the U.S., but these drills are now rarely used. They are less efficient than auger drills, since the drill must be periodically removed from the hole to get rid of the cuttings. [32] [84]

6. Earthquake risks and rising costs: The price of operating ...

   www.aol.com/news/earthquake-risks-rising-costs...

   The plant supplies 6% of California's power, but carries a 1 in 37,000 chance of experiencing a Chernobyl-style nuclear meltdown within five years. Earthquake risks and rising costs: The price of ...

7. L.A.'s quake mystery: 2024 brings the most seismic activity ...

   www.aol.com/news/l-quake-2024-brings-most...

   This year's drill happens to fall on the 35th anniversary of the Loma Prieta earthquake. The 1989 temblor was a magnitude 6.9 and centered in the Santa Cruz Mountains. It rocked Northern ...