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131Greyhound — Infobox Dogbreed akcgroup = Hound akcstd = http://www.akc.org/breeds/greyhound/index.cfm altname = English Greyhound ankcgroup = Group 4 (Hounds) ankcstd = http://www.ankc.aust.com/greyhnd.html ckcgroup = Group 2 Hounds ckcstd =… …
132Nitrogen narcosis — Inert gas narcosis [Nitrogen narcosis] Classification and external resources Divers breathe a mixture of oxygen, helium and nitrogen for deep dives to avoid the effects of narcosis. A cylinder label shows the maximum operating depth and mixture… …
