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 non spraying utilization of {TAIL ~ 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 non spraying utilization of { TAIL ~ 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 OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL