See video Welding Defect - Watch How Slag Inclusion Happens! Videos This video shows welding defect slag inclusion as it is happening in a CMT (Cold Metal Transfer) process. You can see in the footage how the slag incl... See video Additive Manufacturing with CMT Process + Schlieren Imaging Technique Videos Video of CMT (Cold Metal Transfer) process for additive manufacturing using a flux-metal-cored tool steel wire.