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  2. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    1. Center line, the central axis of a feature. 2. Class, for example, "paint per spec XYZ revision C type 1 class 2" may be abbreviated as "paint per spec XYZ REV C TY 1 CL 2" or even in some cases "paint per spec XYZ-C-1-2". (The latter practice is not uncommon but is cryptic for workers with minimal training and experience. The first two ...

  3. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    A toilet is the main connection, with the option of a right or left-hand outlet to the 3" inlet with a choice of 1-1/2" or 2" in size. It is used to keep stack-vented fixtures high to the joist space and thus conserves the headroom in a basement.

  4. Hutch (animal cage) - Wikipedia

    en.wikipedia.org/wiki/Hutch_(animal_cage)

    Rabbits love to run and jump and need space. For many animal rescues, now a predator safe run must be attached to, or contain the hutch; the run must be at least 10 ft x 6 ft with a run height of 3 ft, or in metric, 3m x 2m and a run height of 1m. (Rabbit Welfare Association and Trust, 2018) [full citation needed]

  5. Powder-actuated tool - Wikipedia

    en.wikipedia.org/wiki/Powder-actuated_tool

    The propellant acts on the piston, which then drives the fastener into the substrate. The piston is analogous to the bolt of a captive bolt pistol. A tool is considered low velocity if the average test velocity of the fastener is not in excess of 300 ft/s (91 m/s) with no single test having a velocity of over 108 m/s (350 ft/s). [1]

  6. Bunnings - Wikipedia

    en.wikipedia.org/wiki/Bunnings

    Bunnings Group Limited, trading as Bunnings Warehouse or Bunnings, is an Australian household hardware and garden centre chain. [2] The chain has been owned by Wesfarmers since 1994, and has stores in Australia and New Zealand.

  7. Washer (hardware) - Wikipedia

    en.wikipedia.org/wiki/Washer_(hardware)

    This type of washer is especially effective as a lock washer when used with a soft substrate, such as aluminium or plastic, [8] and can resist rotation more than a plain washer on hard surfaces, as the tension between washer and the surface is applied over a much smaller area (the teeth). There are four types: internal, external, combination ...

  8. Bolt (fastener) - Wikipedia

    en.wikipedia.org/wiki/Bolt_(fastener)

    This definition allows ambiguity in the description of a fastener depending on the application it is actually used for, and the terms screw and bolt are widely used by different people or in different countries to apply to the same or varying fastener. In British terminology, a cap screw is a bolt that has threads all the way to the head.

  9. Sex bolt - Wikipedia

    en.wikipedia.org/wiki/Sex_bolt

    A sex bolt is a type of fastener comprising a mated pair of screw and post, which are a machine screw and a nut that is barrel-shaped. The nut has a flange and a protruding boss that is internally threaded. The bolt (mated pair, screw and post) sits within the components being fastened, and the flange provides the bearing surface.