O2 and CO2
Methane: CH4 Ethane: C2H6 Propane: C3H8 Butane: C4H10 Usually a mixture of these.
In the earliest surgical procedures, which made use of anesthesia, ether was used. Nowadays, there are literally dozens of different types of anesthetic gases that may be used depending upon the...
natural
awesome things like, propane or natural gas :) ;) :D LOL! hi you people are weird!!!!!!! :p
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