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[PSUBS-MAILIST] Making steel & aluminum SCUBA tanks



Seeing how these standard SCUBA tanks are formed is really interesting.
 
http://www.youtube.com/watch?v=Z8R-I5I1Dgo&NR=1
 
http://www.youtube.com/watch?v=qAgSU6BCpsY&feature=related


Regards,

Szybowski