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  2. Standard diving dress - Wikipedia

    en.wikipedia.org/wiki/Standard_diving_dress

    Standard diving dress, also known as hard-hat or copper hat equipment, deep sea diving suit or heavy gear, is a type of diving suit that was formerly used for all relatively deep underwater work that required more than breath-hold duration, which included marine salvage, civil engineering, pearl shell diving and other commercial diving work, and similar naval diving applications.

  3. Casing head - Wikipedia

    en.wikipedia.org/wiki/Casing_head

    In oil drilling, a casing head [1] is a simple metal flange welded or screwed onto the top of the conductor pipe (also known as drive-pipe) or the casing and forms part of the wellhead system for the well.

  4. Width across flats - Wikipedia

    en.wikipedia.org/wiki/Width_across_flats

    The size is imprinted on the spanners in millimeter values or inch sizes with intermediate sizes in fractions (older British and current US spanners). The two systems are in general not compatible, which can result in rounding of nuts and bolts (i.e. using a 13 mm (0.51 in) spanner in place of a 1 ⁄ 2 inch (12.70 mm)).

  5. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    Various types of flanges are available, depending on construction. Flanges used in piping (orifice, threaded, slip-on, blind, weld neck, socket weld, lap-joint, and reducing) are available with a variety of facings, such as raised, flat, and ring-joint. Flange connections tend to be expensive because they require the precision forming of metal.

  6. Flange - Wikipedia

    en.wikipedia.org/wiki/Flange

    A flange is a protruded ridge, lip or rim, either external or internal, that serves to increase strength (as the flange of an iron beam such as an I-beam or a T-beam); for easy attachment/transfer of contact force with another object (as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera); or for stabilizing and guiding the movements of a machine or its ...

  7. Trump picks Navarro to be senior counselor for trade and ...

    www.aol.com/news/trump-picks-navarro-senior...

    WASHINGTON (Reuters) -U.S. President-elect Donald Trump said on Wednesday he had picked Peter Navarro to be senior counselor for trade and manufacturing. Navarro served as head of a newly created ...

  8. Luigi Mangione Had 'Debilitating' Back Pain, Went 'Radio ...

    www.aol.com/lifestyle/luigi-mangione-had...

    Luigi Mangione — the man charged with murdering UnitedHealthcare CEO Brian Thompson — had reportedly been dealing with "debilitating" back pain before going "radio silent" with friends over ...

  9. Weld neck flange - Wikipedia

    en.wikipedia.org/wiki/Weld_neck_flange

    A weld neck flange (also known as a high-hub flange [1] and tapered hub flange [2]) is a type of flange. There are two designs. The regular type is used with pipes. The long type is unsuitable for pipes and is used in process plant. [3] A weld neck flange consists of a circular fitting with a protruding rim around the circumference.