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An EZ curl bar. Originally known as a Dymeck curling bar after its inventor Lewis G. Dymeck (US Patent Number 2,508,567), the EZ ("easy") curl bar is a variant of the barbell that is often used for biceps curls, upright rows, and lying triceps extensions. The curved profile of the bar in the grip region allows the user's wrists and forearms to ...
A taper pin is a fastener used in mechanical engineering. They are steel rods with one end having a slightly larger diameter than the other. Metric taper pins have a taper of 1:50. [1] A 1:50 taper means that one end of a 50 mm long bar will be 1 mm smaller in diameter than the other end.
Bite stick / Biter bar A piece of equipment used to determine whether or not a stone is a biter Blank end An end in which no points are scored; in regular play the team that has the hammer retains it for the next end. In skins games, the skin for a blanked end is carried over. To "blank an end" means to intentionally leave no stones in the ...
Slotted spring pin (1) and washer (2) used to secure a shaft (3). A spring pin (also called tension pin or roll pin) is a mechanical fastener that secures the position of two or more parts of a machine relative to each other. Spring pins have a body diameter which is larger than the diameter of the hole they are intended for, and a chamfer on ...
Lying triceps extension with an EZ curl bar. Instructions: [3] Lie on a flat bench with feet on the ground and head hanging just off the top of the bench, so that the edge of the bench rests in the pit between neck and head.
A safety wire is used to ensure proper security for a fastener. The wire needed is long enough to reach from a fixed location to a hole in the removable fastener, such as a pin — a clevis fastener, sometimes a linchpin or hitch-pin through a clevis yoke for instance — and the wire pulled back upon itself, parallel to its other end, then twisted, a single end inserted through a fastener ...