... with Ferro-maxx, Inomaxx and Alumaxxmean reduced welding costs.❜10Air Products Welders HandbookTungsten inert gas weldingPrinciplesTungsten inert gas shielded welding isusually called ... operator.Travel speed is adjusted to match thetime needed to melt the joint.12Air Products Welders HandbookPower sources for TIGPower sources for use with TIGwelding must be capable of deliveringa ... Always close thevalve before returning a usedcylinder to the stores.❜14Air Products Welders HandbookTorches for TIG weldingTIG torches are rated according to thecurrent they can carry withoutoverheating....