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  2. Bathysphere - Wikipedia

    en.wikipedia.org/wiki/Bathysphere

    The final, lighter design consisted of a hollow sphere of one-inch-thick (25 mm) cast steel which was 4.75 ft (1.45 m) in diameter. [7] Its weight was 2.25 tons above the water, although its buoyancy reduced this by 1.4 tons when it was submerged, and the 3,000 ft (910 m) of steel cable weighed an additional 1.35 tons. [6]

  3. Safety wire - Wikipedia

    en.wikipedia.org/wiki/Safety_wire

    A safety wire is used to ensure proper security for a fastener. The wire needed is long enough to reach from a fixed location to a hole in the removable fastener, such as a pin — a clevis fastener, sometimes a linchpin or hitch-pin through a clevis yoke for instance — and the wire pulled back upon itself, parallel to its other end, then twisted, a single end inserted through a fastener ...

  4. Lightning Rod (roller coaster) - Wikipedia

    en.wikipedia.org/wiki/Lightning_Rod_(roller_coaster)

    [3] [6] The linear synchronous motors were powered by a large bank of capacitors located in the main building. [32] This system would require 1,500 horsepower (1.1 megawatts) to catapult each train. [33] Although the ride has a maximum height of 206 feet (63 m), the crest of the lift hill is 80 feet (24 m). [34]

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  6. Rail fastening system - Wikipedia

    en.wikipedia.org/wiki/Rail_fastening_system

    Common sizes are from 9 ⁄ 16 to 10 ⁄ 16 inch (14 to 16 mm) square and 5 + 1 ⁄ 2 to 6 inches (140 to 150 mm) long. [10]: 582–583 A rail spike is roughly chisel-shaped and with a flat edged point; the spike is driven with the edge perpendicular to the grain, which gives greater resistance to loosening. [11]

  7. A roller coaster in the ocean: What Carnival Cruise Line's ...

    www.aol.com/roller-coaster-ocean-carnival-cruise...

    Guests with “structural body damage” cannot ride, according to a sign posted at BOLT’s entrance. "The sign pertains to physical impairments impeding guests' safety," a Carnival spokesperson ...

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  9. Twin-lead - Wikipedia

    en.wikipedia.org/wiki/Twin-lead

    Window line is a bulkier variety of parallel wire line than twin lead ribbon cable; it is similarly built to a wider size, except that the polyethylene ribbon between them holding the wires apart has regularly spaced rectangular openings ("windows") cut in it. [3] [2] (p 24βΈ—1)