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It is also possible to separate oxygen from air by passing the air, under pressure, through a zeolite sieve that selectively adsorbs the nitrogen and lets the oxygen (and argon) pass. This gives a purity of oxygen of about 93%. This method works well for brazing, but higher-purity oxygen is necessary to produce a clean, slag-free kerf when cutting.
In an oxygen system the presence of oxygen is implied, and in a sufficiently high partial pressure of oxygen, most materials can be considered fuel. Potential ignition sources are present in almost all oxygen systems, but fire hazards can be mitigated by controlling the risk factors associated with the oxygen, fuel, or heat, which can limit the ...
Pneumatic tool attached using a coupling. A coupled pair consists of a male nipple or plug and a female coupler or socket.One side is connected to a flexible supply hose; the other may be attached to a manifold, valve, tool, or another hose.
Aircrew were instructed to wrap the barrels with parachute cord as a field expedient fore-stock. [3] [4] The M6 was a superposed ("over-under") combination gun, with a .22 Hornet rifle barrel located above the .410 bore shotgun barrel. It has 14-inch barrels and folds in half to a minimum size of 15 inches. [5]
A MIL-DTL-38999 circular connector plated with a nickel–teflon composite. Left: plug (male) type connector; Right: receptacle (female) type connector) Electrical or fiber-optic connectors used by U.S. Department of Defense were originally developed in the 1930s for severe aeronautical and tactical service applications, and the Type "AN" series set the standard for modern military circular ...
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Feinwerkbau / ˈ f aɪ n w ɜːr k b aʊ /, often abbreviated FWB, is a German manufacturer of firearms and air guns aimed mainly at competitive ISSF shooting events, including some contested at the Olympic Games as governed by the International Shooting Sport Federation (ISSF).
The HK P2A1 is a single-shot, break action flare pistol designed for signaling and illumination purposes.. It can fire either 25 mm or 26.5 mm flares, or smoke cartridges. Adapters are available to use commercial 12-gauge flares available at sporting goods stor