gas mask set

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• Gas mask — A gas mask is a mask worn over the face to protect the wearer from inhaling airborne pollutants and toxic materials. The mask forms a sealed cover over the nose and mouth, but may also cover the eyes and other vulnerable soft tissues of the face …   Wikipedia

• mask — masklike, adj. /mask, mahsk/, n. 1. a covering for all or part of the face, worn to conceal one s identity. 2. a grotesque or humorous false face worn at a carnival, masquerade, etc.: Halloween masks. 3. Also called swim mask. a device consisting …   Universalium

• Mask — For other uses, see Mask (disambiguation). This stone mask from the pre ceramic neolithic period dates to 7000 BCE and is probably the oldest mask in the world (Musée de la Bible et de la Terre Sainte) …   Wikipedia

• gas — noun 1 substance like air ADJECTIVE ▪ deadly, noxious, poisonous, toxic ▪ explosive, flammable, inflammable (esp. BrE), radioactive …   Collocations dictionary

• Full face diving mask — A full face diving mask is a type of diving mask that seals the whole of the diver s face from the water and contains a mouthpiece or demand valve that provides the diver with breathing gas.cite journal |author=Norfleet WT, Hickey DD, Lundgren CE …   Wikipedia

• CS gas — IUPAC name …   Wikipedia

• Poison gas in World War I — The use of poison gas in World War I was a major military innovation. The gases ranged from disabling chemicals, such as tear gas and the severe mustard gas, to lethal agents like phosgene and chlorine. This chemical warfare was a major component …   Wikipedia

• Russia–Ukraine gas dispute — The dispute between Russian state owned gas supplier Gazprom and Ukraine over natural gas prices started in March 2005 (over the price of natural gas and prices for the transition of Gazprom s gas to Europe). The two parties were unable to reach… …   Wikipedia

• Scuba set — A scuba diver in usual sport diving gear A scuba set is an independent breathing set that provides a scuba diver with the breathing gas necessary to breathe underwater during scuba diving. It is much used for sport diving and some sorts of work… …   Wikipedia

• Diving mask — A diving mask showing the retaining strap A diving mask is an item of diving equipment that allows scuba divers, free divers, and snorkelers to see clearly underwater.[1] When the human eye is in direct contact with w …   Wikipedia

• Bag valve mask — A bag valve mask (also known as a BVM or Ambu bag) is a hand held device used to provide ventilation to a patient who is not breathing or who is breathing inadequately. The device is a normal part of a resuscitation kit for trained professional,… …   Wikipedia