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2. Harbor Freight Tools - Wikipedia

   en.wikipedia.org/wiki/Harbor_Freight_Tools

   Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]

3. Railway roundhouse - Wikipedia

   en.wikipedia.org/wiki/Railway_roundhouse

   The John Street Roundhouse, now part of Roundhouse Park in Toronto, Canada, viewed from the CN Tower in September 2012. A railway roundhouse is a building with a circular or semicircular shape used by railways for servicing and storing locomotives. [1]

4. Magnetic drilling machine - Wikipedia

   en.wikipedia.org/wiki/Magnetic_drilling_machine

   A morse taper 3 arbor equipped magnetic drill machine using taper shank drill bits. The arbor or chuck on a magnetic drill is attached to the motor. It is a type of clamp used to attach the core drills. There are mainly two types of chuck available for the magnetic drill, industrial arbor (manual tightening) and quick change drill chucks.

5. Altoona Works - Wikipedia

   en.wikipedia.org/wiki/Altoona_Works

   The turntable at the Altoona Works in 2014. In May 1877, telephone lines were installed for various departments to communicate with one another. [5] In the 1920s, the site consisted of 125 buildings on 218 acres (0.88 km 2), and the shops employed over 16,000 workers. [6] [7] Portions of the complex are still in use by Norfolk Southern Railway ...

6. Drifter drill - Wikipedia

   en.wikipedia.org/wiki/Drifter_drill

   Rock drill mounted on a tripod. The large objects on the legs are weights to anchor it down into position. In reciprocating power drills, the drilling cylinder is mounted on a feed-screw, such that as the hole is drilled and the drilling point recedes from the rock face, the drill-bit continues to move into it, while the anchor point (on the tripod or column) remains in place. [11]

7. Drill floor - Wikipedia

   en.wikipedia.org/wiki/Drill_floor

   Drill string connections are made or broken on the drill floor, and the driller's console for controlling the major components of the rig are located there. Attached to the rig floor is a small metal room, the doghouse, where the rig crew can meet, take breaks, and take refuge from the elements during idle times. Drill floor with the drill pipe

8. Stand (drill pipe) - Wikipedia

   en.wikipedia.org/wiki/Stand_(drill_pipe)

   A stand (of drill pipe) is two or three joints of drill pipe connected and stood in the derrick vertically, usually while tripping pipe. A stand of collars is similar, only made up of collars and a collar head. The collar head is screwed into the collar to allow it to be picked up by the elevators.