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A gas duster, also known as tinned wind, compressed air, or canned air, is a product used for cleaning or dusting electronic equipment and other sensitive devices that cannot be cleaned using water. This type of product is most often packaged as a can that, when a trigger is pressed, blasts a stream of compressed gas through a nozzle at the top.
An aerosol frostbite of the skin is an injury to the body caused by the pressurized gas within an aerosol spray cooling quickly, with the sudden drop in temperature sufficient to cause frostbite to the applied area. [1] Medical studies have noted an increase of this practice, known as "frosting", in pediatric and teenage patients. [2] [3]
Gas dusters often use a bitterant to discourage inhalant abuse, although this can cause problems for legitimate users. The bitterant not only leaves a bitter flavor in the air, but also leaves a bitter residue on objects, like screens and keyboards, that may transfer to hands and cause problems (such as when eating).
Since reflexive breathing is prompted by elevated carbon dioxide levels (rather than diminished blood oxygen levels), breathing a concentrated, relatively inert gas (such as computer-duster tetrafluoroethane or nitrous oxide) that removes carbon dioxide from the blood without replacing it with oxygen will produce no outward signs of suffocation ...
Liquified petroleum gas including propane and butane is sometimes used. These all may also be used as a topical anesthetic , due to the numbing effect of cold, though there is risk of frostbite . Cold sprays are sometimes used to carefully freeze and kill attached ticks , with successful application often resulting in the dead tick falling off.
Renault S.A., commonly referred to as Groupe Renault (UK: / ˈ r ɛ n oʊ / REN-oh, US: / r ə ˈ n ɔː l t, r ə ˈ n oʊ / rə-NAWLT, rə-NOH, [7] [8] French: [ɡʁup ʁəno], also known as the Renault Group in English) is a French multinational automobile manufacturer established in 1899. [9] The company currently produces a range of cars ...
The third-quarter pass secured the first Titans touchdown of the day. The Vikings blitzed five pass rushers on third-and-10. But Tennessee's offensive line stood its ground to buy Levis time as he ...
The cheap and freely available gas has a molecular weight and fragmentation pattern (base peak 51 m/z in typical EI-MS, [7] major peak at 65 m/z) distinct from anything in air. If mass peaks corresponding to 1,1-difluoroethane are observed immediately after spraying a suspect leak point, leaks may be identified.