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2. Molly (fastener) - Wikipedia

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

   A lip wider than the hole prevents it from falling behind the wall, and often features such as cleats/spikes prevent it from rotating when being compressed. A machine screw is screwed into the sleeve, causing the anchor to bend, expand, spread and grip against the inside of the hole or behind it (in hollow contexts such as drywall over stud ...

3. Wall plug - Wikipedia

   en.wikipedia.org/wiki/Wall_plug

   The pad is wetted and wrapped around the wall plug, and the two are inserted into the hole; after a short time it hardens and a strong bond is achieved and the wall fitting can be applied. It is used in combination with wall plugs in masonry, ceramic, wood and plasterboard walls. Modern resin mixtures are based on polyester resins.

4. Rawlplug - Wikipedia

   en.wikipedia.org/wiki/Rawlplug

   The contract led to the invention and patenting of the world's first wall plug, which became a standard solution for attaching things to walls. [1] John Joseph Rawlings, who is credited with the invention of the wall plug, named his product Rawlplug, using the first syllable of his last name, and renamed his business Rawlplug in 1919.

5. Anchor bolt - Wikipedia

   en.wikipedia.org/wiki/Anchor_bolt

   In this case, concrete base material might be undamaged. Pull-out: the anchor is pulled out from the drilled hole partially damaging the surrounding concrete. When the concrete is damaged the failure is also indicated as pull-through. Concrete cone: after reaching the load-bearing capacity a cone shape is formed.

6. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   This view looking upwards through a hole in the ceiling shows a traditional leaded hub joint (at top) and a more recent rubber-sleeved hubless connection (at lower right). Because they operate at low pressure and rely on gravity to move fluids (and entrained solids), drain-waste-vent systems use fittings whose interior surfaces are as smooth as ...

7. Autoclaved aerated concrete - Wikipedia

   en.wikipedia.org/wiki/Autoclaved_aerated_concrete

   Special wall fasteners (screw wall plug anchors) designed for autoclaved aerated concrete including gypsum board and plaster tiles are available at a higher cost than standard expandable wall plugs, including special safety-relevant anchors for high load bearing; [58] [59] [60] It is recommended that fixing holes be drilled using HSS drill bits ...

8. AOL Mail

   mail.aol.com/d?reason=invalid_cred

   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. Sanitary manhole - Wikipedia

   en.wikipedia.org/wiki/Sanitary_manhole

   The concrete is poured in to form the base with slopes from the precast concrete wall down to the half point of the existing pipe. This forms a half bench for the manhole base. The top half of that existing pipe is cut open to form a channel. A new pipe is inserted through the wall hole.