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2. Tubing spider - Wikipedia

   en.wikipedia.org/wiki/Tubing_spider

   The spider consists of multiple gripper tools, sometimes constructed as wedge-shaped arms (Slips (oil drilling)) that holds the string by the downward force of the pipe. Teeth on the inside of the slips grip the pipe, and the resulting compressive force inward on the drill pipe holds the pipe securely.

3. Rigging - Wikipedia

   en.wikipedia.org/wiki/Rigging

   Rigging comprises the system of ropes, cables and chains, which support and control a sailing ship or sail boat's masts and sails. Standing rigging is the fixed rigging that supports masts including shrouds and stays. Running rigging is rigging which adjusts the position of the vessel's sails and spars including halyards, braces, sheets and ...

4. Glossary of nautical terms (M–Z) - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_nautical_terms...

   rig 1. The arrangement of masts, sails, and rigging on a sailing vessel. [38] 2. To fit a sailing vessel with its masts, sails or rigging. [38] rigging The system of masts and lines on ships and other sailing vessels. [36] rigging chocks Thick blocks of wood fixed outside the rails to take the chain plates for the shrouds. [2] rigging screw

5. Standing rigging - Wikipedia

   en.wikipedia.org/wiki/Standing_rigging

   Rod rigging is strongest when terminated with a cold head rather than swage fittings. This process requires a different, expensive machine but yields a more durable end fitting. Rod-type stays fail suddenly (rather than strand by strand as a cable would), often where the rod bends around a spreader. Bending can induce unseen stress fractures. [5]

6. Slips (oil drilling) - Wikipedia

   en.wikipedia.org/wiki/Slips_(oil_drilling)

   Slips is a device used to grip and hold the upper part of a drill string to the drill floor on an oil rig. [1] The slips are constructed as a collection of metal wedges, hinged together to form a circular shape around the drill pipe. On the inside surface, the slips normally has replaceable steel teeth that grips the pipe.

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.