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Ported chamber: A barrel chamber with pressure relief ports that allows gas to leak around the cartridge during extraction. Basically the opposite of a fluted chamber as it is intended for the cartridge to stick to the chamber wall making a slight delay of extraction. This requires a welded-on sleeve with an annular groove to contain the pressure.
An air-pressurized-water fire extinguisher is similar but its water is expelled by the air pressure, it is held by one person, and a flexible hose makes aiming the water stream easy. Handtub A historical fire engine pumped by hand with the water supply held in a tub or cistern on the wagon, the water supply delivered by a bucket brigade.
A quick coupling and uncoupling connector at the end of a trainline air hose that resembles a pair of shaking hands when hoses are connected. Go-devil A hand-powered railroad car (see Handcar and Draisine), or a small gasoline powered railroad car. [100] [101] Grab bar or Grab iron A handle on the side of a car to allow switching personnel to ...
Pressure core sampler: A tool designed to retrieve a sediment core sample while retaining the pressure at depth. [5] Pull past Martin-Decker: Exert extreme tension on stuck pipe, so much so that the pointer needle revolves off-scale beyond the logo of a popular manufacturer of weight indicators, Martin-Decker. [6]
Common test methods for head gasket leaks are a compression test (using a pressure gauge), a leak-down test or a chemical test that identifies hydrocarbons in the coolant fluid. [ 5 ] The cost of the replacement component (i.e. the head gasket itself) is usually relatively low, however there are significant labor costs involved in the ...
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In March, a mother was horrified to find a pedophile symbol on a toy she bought for her daughter. Although the symbol was not intentionally placed on the toy by the company who manufactured the ...
Many retailers, grocery stores and pharmacies will be open on New Year’s Eve and New Year’s Day, though some have modified hours. (Ash Ponders/Bloomberg/Getty Images/File)