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2. Oxide jacking - Wikipedia

   en.wikipedia.org/wiki/Oxide_jacking

   Oxide jacking has caused concrete spalling on walls of the Herbst Pavilion at Fort Mason Center in San Francisco. The expansive force of rusting, which may be called oxide jacking or rust burst, is a phenomenon that can cause damage to structures made of stone, masonry, concrete or ceramics, and reinforced with metal components.

3. Impact driver - Wikipedia

   en.wikipedia.org/wiki/Impact_driver

   It is often used by mechanics to loosen larger screws, bolts and nuts that are corrosively "frozen" or over-torqued. [1] The direction can also be reversed for situations where screws have to be tightened with torque greater than a screwdriver can reasonably provide.

4. Split nut - Wikipedia

   en.wikipedia.org/wiki/Split_nut

   A split nut is a nut that is split lengthwise into two pieces (opposed halves) so that its female thread may be opened and closed over the male thread of a bolt or leadscrew. [1] This allows the nut, when open, to move along the screw without the screw turning (or, vice versa, to allow the screw to pass through the nut without turning).

5. Loose wheel nut indicator - Wikipedia

   en.wikipedia.org/wiki/Loose_wheel_nut_indicator

   A common type of loose wheel nut indicators are small pointed tags, usually made of fluorescent orange or yellow plastic, which are fixed to the lug nuts of the wheels of large vehicles. [2] The tag rotates with the nut, and if the nut becomes loose, the point of the tag shifts noticeably out of alignment with the other tags.

6. Nut (hardware) - Wikipedia

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

   Sex bolt: Barrel nut, barrel bolt, binding barrel, Chicago screw, post and screw or connector bolt Has a barrel-shaped flange and protruding boss that is internally threaded Split nut: Split lengthwise into two pieces (opposed halves) so that its female thread may be opened and closed over the male thread of a bolt or leadscrew Sleeve nut ...

7. Jam nut - Wikipedia

   en.wikipedia.org/wiki/Jam_nut

   The inner nut is then slackened back and tightened against the outer nut. Jam nuts can also be used in situations where a threaded rod must be rotated. Since threaded rods have no bolt heads, it is difficult or impossible to apply torque to a threaded rod. A pair of jam nuts is used to create a point where a wrench may be used.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Safe-cracking - Wikipedia

   en.wikipedia.org/wiki/Safe-cracking

   While observing the lock, the attacker manipulates the dial to align the lock gates so that the fence falls and the bolt is disengaged. Bypass attacks involve physical manipulation of both the lock and its bolt mechanism. Punching, peeling and using a torch are other methods of compromising a safe.