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A split pin (UK usage) / cotter pin (UK/USA usage) holding a rod in place with a washer. A split pin, also known as a cotter pin, or cotter key in the US, [1] is a metal fastener with two tines that are bent during installation, similar to a staple or rivet.
Wave washers A washer with a "wave" in the axial direction, which provides spring pressure when compressed. Wave washers, of comparable size, do not produce as much force as Belleville washers. In Germany, they are sometimes used as lock washers but they are less effective than other choices. [a] [8] Split washer or spring lock washer
The "correct" procedure is to decide upon one's move, then remove one stone from the bowl and place it on the board. This produces the minimal amount of distraction for one's opponent. When removing a stone from its bowl to make a move, place a flat hand on the edge of the bowl, with the fingers gently entering the bowl.
Typical fasteners (US quarter shown for scale) A fastener (US English) or fastening (UK English) [1] is a hardware device that mechanically joins or affixes two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints that can be removed or dismantled without damaging the joining components. [2]
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TOKYO (Reuters) -Japanese media powerhouse Kadokawa said on Wednesday it had received a letter of intent to buy its shares, a day after a Reuters report that Sony was in talks to acquire the ...
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For fastening flat-bottomed rails, an upper-lipped washer can be used to grip the edge of the rail. They are more resistant to loosening by vibrations and movement of the rail. [21] They are thought more effective than spikes and screws and so are used in positions such as switch (point) tieplates [22] and on sharp curves. [23]