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2. Anchor bolt - Wikipedia

   en.wikipedia.org/wiki/Anchor_bolt

   Tapcon screws are a popular anchor that stands for self tapping (self threading) concrete screw. Larger diameter screws are referred to as LDT's. This type of fastener requires a pre-drilled hole—using a Tapcon drillbit—and are then screwed into the hole using a standard hex or phillips bit. These screws are often blue, white, or stainless ...

3. Wall plug - Wikipedia

   en.wikipedia.org/wiki/Wall_plug

   In 1957, Oswald Thorsman from Sweden received a patent for a plastic wall plug; around the same time, German inventor Artur Fischer created the plastic Fischer wall plug. [ 4 ] [ 5 ] The Fischer wall plug, due to its innovative shape, was the first to be suitable for all wall types, and has since been the most produced and sold wall plug worldwide.

4. Flagpole - Wikipedia

   en.wikipedia.org/wiki/Flagpole

   A flagpole, flagmast, flagstaff, or staff is a pole designed to support a flag. If it is taller than can be easily reached to raise the flag, a cord is used, looping around a pulley at the top of the pole with the ends tied at the bottom. The flag is fixed to one lower end of the cord, and is then raised by pulling on the other end.

5. Nut (hardware) - Wikipedia

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

   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: Spring nut

6. List of flagpoles by height - Wikipedia

   en.wikipedia.org/wiki/List_of_flagpoles_by_height

   Cairo Flagpole: New Administrative Capital, Cairo Egypt: 201.952 m (662.57 ft) [1] 26 December 2021 Free–standing 2 National Flag Square Flagpole 2 (2024-now) Neftchiler Avenue, Bayil, Baku Azerbaijan: 191 m (626.64 ft) [2] 2 August 2024

7. Lunar Flag Assembly - Wikipedia

   en.wikipedia.org/wiki/Lunar_Flag_Assembly

   To insulate the flag from these extreme conditions, it had to be packed inside a dual-walled protective shroud consisting of a stainless steel outer case separated from an aluminum layer by Thermoflex insulation, with several layers of Kapton thermal insulation foil between the inner case and the flag. The insulation limited the temperature to ...