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Tongue and groove joints allow two flat pieces to be joined strongly together to make a single flat surface. Before plywood became common, tongue and groove boards were also used for sheathing buildings and to construct concrete formwork. A strong joint, the tongue and groove joint is widely used for re-entrant angles
A through groove (left) and a stopped groove. In joinery, a groove is a slot or trench cut into a member which runs parallel to the grain. A groove is thus differentiated from a dado, which runs across the grain. [1] Grooves are used for a range of purposes in cabinet making and other woodworking fields.
Mortise and tenon joints have also been found joining the wooden planks of the "Khufu ship", [6] a 43.6 m (143 ft) long vessel sealed into a pit in the Giza pyramid complex of the Fourth Dynasty around 2500 BC. They were also found in the Uluburun shipwreck (14th century BC). [7]
Today's Wordle Answer for #1236 on Wednesday, November 6, 2024. Today's Wordle answer on Wednesday, November 6, 2024, is TRULY. How'd you do? Next: Catch up on other Wordle answers from this week.
The State Department has been shut out of Donald Trump's calls with world leaders, raising concerns about confusion over U.S. foreign policy.
The top-ranked Oregon Ducks have clinched a spot in the Big Ten championship game. The Big Ten announced Tuesday that after extensive evaluation, there were “no conditions whereby the Ducks do ...
This canal can be round, oval or an arc in order to receive another component such as a boss, a tongue or a gasket. It can also be on the circumference of a dowel, a bolt, an axle or on the outside or inside of a tube or pipe etc. This canal may receive a circlip, an o-ring, or a gasket.
By the ISO standard, 10-foot (and previously included 5-ft and 6 1 ⁄ 2-ft boxes) are only of unnamed, 8-foot (2.44 m) height. But industry makes 10-foot units more frequently of 8 ft 6 in (2.59 m) height, [90] to mix, match (and stack) better in a fleet of longer, 8 ft