compressed-air respirator
1Respirator — A respirator is a device designed to protect the wearer from inhaling harmful dusts, fumes, vapors, and/or gases. Respirators come in a wide range of types and sizes used by the military, private industry, and the public. Respirators range from… …
2tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
3Scuba 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… …
4Timeline of diving technology — This is a timeline of underwater technology. The entries marked ## are about decompression tables.[1] Contents 1 Pre industrial 2 19th century 2.1 Rebreathers appear …
5Chemical weapons in World War I — A poison gas attack using gas cylinders in World War I. The use of chemical weapons in World War I ranged from disabling chemicals, such as tear gas and the severe mustard gas, to lethal agents like phosgene and chlorine. This chemical warfare… …
6Poison 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 …
7Cutting fluid — Thin wall milling of aluminum using a water based cutting fluid on the milling cutter. Cutting fluid is a type of coolant and lubricant designed specifically for metalworking and machining processes. There are various kinds of cutting fluids,… …
8Diego Maradona — Maradona redirects here. For other uses, see Maradona (disambiguation). Diego Maradona Diego Maradona in 2010 Personal information …
9Asphyxiant gas — dablink|For main article see Asphyxia. An asphyxiant gas is a non toxic or minimally toxic gas which dilutes or displaces the oxygen containing atmosphere, leading to death by asphyxiation if breathed long enough. Toxic gases in large enough… …
10Medical ventilator — For other uses, see Modes of mechanical ventilation. For other uses, see ventilation (physiology). The Bird VIP Infant ventilator A medical ventilator can be defined as any machine designed to mechanically move breatheable air into and out of the …
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