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