That is, they are formed during the course of and as {HEAD ~ a result} of {TAIL ~ a fabrication sequence} that requires no manipulation or assembly of separate components 
That is , they are formed during the course of and as { HEAD ~ a result } of { TAIL ~ a fabrication sequence } that requires no manipulation or assembly of separate components
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH