The embodiment which is described in detail has the almost universal capability of developing such torch application along {HEAD ~ a swath} of {TAIL ~ virtually any prescribed course}, from straight longitudinal , to complex curvilinear , as for example to apply coating metal to what will become the cutting edge of a helical auger blade 
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The embodiment which is described in detail has the almost universal capability of developing such torch application along { HEAD ~ a swath } of { TAIL ~ virtually any prescribed course } , from straight longitudinal , to complex curvilinear , as for example to apply coating metal to what will become the cutting edge of a helical auger blade
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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