The apparatus and method of {HEAD ~ the invention} employ a gas torch which has the feature of selective addition of metal powder to the gas flow, in a cyclical pattern of metal spraying and {TAIL ~ non spraying utilization} of the same torch 
The apparatus and method of { HEAD ~ the invention } employ a gas torch which has the feature of selective addition of metal powder to the gas flow , in a cyclical pattern of metal spraying and { TAIL ~ non spraying utilization } of the same torch
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH