For example, it is known that the mandrel can be at an angle with {HEAD ~ respect} to {TAIL ~ the axis} of the plasma beam, and this variation can be implemented in conjunction with the principles of present invention 
to
For example , it is known that the mandrel can be at an angle with { HEAD ~ respect } to { TAIL ~ the axis } of the plasma beam , and this variation can be implemented in conjunction with the principles of present invention
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL 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