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