Posted by Russ/Wyo [72.151.76.117] on Wednesday, September 02, 2009 at 12:53:12 :
In Reply to: From another old guy...welding gas tanks. posted by Jerry in Idaho [64.234.49.155] on Wednesday, September 02, 2009 at 11:34:50 :
I use dry ice to fill tanks with CO2 before grinding or welding. Actually, carbon monoxide is explosive - carbon dioxide is the stuff you need in tanks.
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