{TAIL ~ The advantage} of using the cable is that the reference junction can, as the need arises, be flexibly connected to {HEAD ~ more than one type} of reference unit 
{ TAIL ~ The advantage } of using the cable is that the reference junction can , as the need arises , be flexibly connected to { HEAD ~ more than one type } of reference unit
TAIL TAIL TAIL TAIL TAIL TAIL 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