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2. Drywall - Wikipedia

   en.wikipedia.org/wiki/Drywall

   Drywall is then fixed to the structure with nails or drywall screws and often glue. Drywall fasteners, also referred to as drywall clips or stops, are gaining popularity in residential and commercial construction. Drywall fasteners are used for supporting interior drywall corners and replacing the non-structural wood or metal blocking that ...

3. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   The screw is fastened by hitting the head with a hammer and is not intended for removal. [2] drywall screw: Specialized screw with a bugle head that is designed to attach drywall to wood or metal studs, but it is a versatile construction fastener with many uses. The diameter of drywall screw threads is larger than the grip diameter. eye screw ...

4. Molly (fastener) - Wikipedia

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

   Figure 1 of the original patent for the molly bolt, U.S. Patent No. 2,018,251. The molly bolt was patented in 1934 by George Frederick Croessant. [3] Although his patent acknowledges that expandable fasteners of this general kind were already known, Croessant's patent is intended to provide "an improved and adequate anchoring grip that may be retightened if necessary and that will permit ...

5. What's the Actual Difference Between Sheetrock and Drywall? - AOL

   www.aol.com/whats-actual-difference-between...

   Drywall is a flat construction material that's used to create walls, ceilings, and other interior features, like arched doorways. All drywall is made of gypsum, aka calcium sulfate dihydrate, with ...

6. Robertson screw - Wikipedia

   en.wikipedia.org/wiki/Robertson_screw

   Robertson screws are commonplace in Canada, though they have been used in other countries [3]: 85–86 and are becoming much more common. As patents expire and awareness of their advantages have spread, Robertson fasteners have become popular in woodworking and general construction.

7. List of construction trades - Wikipedia

   en.wikipedia.org/wiki/List_of_construction_trades

   Among the construction trades, in most industrialized countries, each has a distinct 2-5 year craft apprenticeship education and usually once started a worker remains in a single craft and progresses through ranks of skill for the duration of their career (pre-apprentice, apprentice, and journeyman; some countries include a post-journeyman ...