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An antistatic wrist strap, ESD wrist strap, or ground bracelet is an antistatic device used to safely ground a person working on very sensitive electronic equipment, to prevent the buildup of static electricity on their body, which can result in ESD.
A safety pin. A ribbon and badge attached to a school cap with safety pins. A safety pin is a variation of the regular pin which includes a simple spring mechanism and a clasp. . The clasp forms a closed loop to properly fasten the pin to whatever it is applied to and covers the end of the pin to protect the user from the sharp poi
This simple design, with a unilateral spring, looks remarkably like a modern safety pin. The violin bow fibula has a low flat arch; the body runs parallel to the pin so it resembles a violin bow. The bow could be round, square, or flat and ribbon-like in cross-section. Some had simple punched or incised decoration on the bow.
Engraved on the handle of the hatchet, the pin reads, "Death to Rum". [2] Gold or silver style safety pins were commonly used as tie and collar pins from the beginning of the 20th century. Such a safety pin was used to fasten the tie to the shirt and was an integral part of a man's clothing or school uniform, being especially useful on formal ...
A sailor checks the outside diameter of a shear pin in the machinery repair shop aboard US aircraft carrier John C. Stennis.. A shear pin is a mechanical detail designed to allow a specific outcome to occur once a predetermined force is applied.
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. Typically made of thick wire with a half-circular cross section, split pins come in multiple sizes and types.
The pin index safety system uses a face seal between the cylinder valve and the associated yoke clamp. There are two holes in specific positions on the cylinder valve body below the outlet port , in positions associated with the gas mixture, which prevent connection of the cylinder to a yoke or pressure regulator with a mis-matched set of pins.
The concept of a backup emergency PIN system, or duress code, for ATM systems has been around since at least July 30, 1986, when Representative Mario Biaggi, a former police officer, proposed it in the U.S. Congressional Record, pp. 18232 et seq. Biaggi then proposed House Resolution 785 in 1987 which would have had the FBI track the problem of express kidnappings and evaluate the idea of an ...
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