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2. Anti-twister mechanism - Wikipedia

   en.wikipedia.org/wiki/Anti-twister_mechanism

   The slip rings are attached to one part of the machine, and a set of fine metal brushes are attached to the other part. The brushes are kept in sliding contact with the slip rings, providing an electrical path between the two parts while allowing the parts to rotate about each other. However, this presents problems with smaller devices.

3. Wire rope spooling technology - Wikipedia

   en.wikipedia.org/wiki/Wire_rope_spooling_technology

   Alternatively, a sheave can be integrated and installed within the housing frame. In this case, the system can be set up anywhere around the drum. Oceanographic installations that spool rope up to 46 layers have demonstrated that level winders give synchronized and controlled spooling in the harshest, most testing conditions.

4. Annular cutter - Wikipedia

   en.wikipedia.org/wiki/Annular_cutter

   An annular cutter (also called a core drill, core cutter, broach cutter, trepanning drill, hole saw, or cup-type cutter) is a form of core drill used to create holes in metal. An annular cutter, named after the annulus shape , cuts only a groove at the periphery of the hole and leaves a solid core or slug at the center.

5. Reel - Wikipedia

   en.wikipedia.org/wiki/Reel

   A reel is a tool used to store elongated and flexible objects (e.g. yarns/cords, ribbons, cables, hoses, etc.) by wrapping the material around a cylindrical core known as a spool. Many reels also have flanges (known as the rims ) around the ends of the spool to help retain the wrapped material and prevent unwanted slippage off the ends.

6. Spinner's weasel - Wikipedia

   en.wikipedia.org/wiki/Spinner's_weasel

   They perform the same function, but without the "clock" or pop to aid the spinner in keeping track of the length of thread or yarn produced. A niddy noddy is an even simpler version. [ 4 ] [ 5 ] The wrap reel , on the other hand, is even more complex, with a mechanism for standardizing the tension.

7. Tripping (pipe) - Wikipedia

   en.wikipedia.org/wiki/Tripping_(pipe)

   Vertical Drill Bit. Drill bits wear and tear like most any other piece of equipment. Once a bit becomes too worn to drill at an adequate rate or make a full-gauge hole, or if the bearings are thought to be near failure, a trip is undertaken to replace the bit. A trip is not considered a bit trip when the purpose of replacing the bit is to ...

8. Fishing reel - Wikipedia

   en.wikipedia.org/wiki/Fishing_reel

   The Art of Angling, first published in 1651, is the first English language book to cite the use of fishing reels. 'Nottingham' and 'Scarborough' reel designs. The first English book on fishing is "A Treatise of Fishing with an Angle" in 1496 (its spelling respective to the manner of the date is The Treatyse of Fysshynge with an Angle [7] ').

9. Reel-to-reel audio tape recording - Wikipedia

   en.wikipedia.org/wiki/Reel-to-reel_audio_tape...

   Following the example set by Bing Crosby, large reel-to-reel tape recorders rapidly became the main recording format used by audiophiles and professional recording studios until the late 1980s when digital audio recording techniques began to allow the use of other types of media (such as Digital Audio Tape (DAT) cassettes and hard disks).