wherein {HEAD ~ said housing} provides a rear tray, and said step of arranging said inner fibers includes {TAIL ~ steps} of: 
wherein { HEAD ~ said housing } provides a rear tray , and said step of arranging said inner fibers includes { TAIL ~ steps } of :
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH