Soudi gaz
Yon soudure gaz konpozisyon gen konpozan pwensipal gaz ki rete nan yon konsantrasyon lejèman devlope pa moso anwo nan syèl la jan gaz la retire silenn, ki tou rete pi ba eksplozif fwontyè a, gen 1-35 wo dan pousan de acétylène, 23-90 pousan wo dan de pwopan, ak/oubyen le ak/oubyen cyclopropane, 8-75 pousan wo dan de methylacetylene jenn pou lame ak/oubyen propadiene, ak 1-20 pousan wo dan la paraffinic ak/oubyen olefinic C 4 - hydrocarbures.
