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