gas helmet
1gas helmet — noun a protective mask with a filter; protects the face and lungs against poisonous gases • Syn: ↑gasmask, ↑respirator • Hypernyms: ↑mask * * * noun : gas mask * * * gas helmet …
2gas helmet — /ˈgæs hɛlmət/ (say gas helmuht) noun a type of gasmask …
3Helmet — For other uses, see Helmet (disambiguation). A woman wearing a cycling helmet A helmet is a form of protective gear worn on the head to protect it from injuries. Ceremonial or symbolic helmets (e.g., English policeman s helmet) without protective …
4Gas metal arc welding — RMD redirects here. RMD may also refer to IRA Required Minimum Distributions. Gas metal arc welding …
5Gas 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 …
6Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG …
7gas mask — noun : a close fitting facepiece connected to a canister through which all air breathed is drawn to protect the respiratory tract and face against irritating and poisonous gases : respirator * * * a masklike device containing or attached to a… …
8Poison 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 …
9Diving helmet — Copper and brass three bolt Soviet diving helmet …
10PH helmet — The P helmet, PH helmet and PHG helmet were early types of gas mask issued by the British Army in the First World War, to protect troops against chlorine, phosgene and tear gases. Rather than having a separate filter for removing the toxic… …
