When it is time for another technician to install the tap fiber, it is not necessary for the technician to touch any of {HEAD ~ the input optical fiber} 130 that has been installed in {TAIL ~ the raceway} 116 
installed in
When it is time for another technician to install the tap fiber , it is not necessary for the technician to touch any of { HEAD ~ the input optical fiber } 130 that has been installed in { TAIL ~ the raceway } 116
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH