{TAIL ~ Fiber} 30 has {HEAD ~ one end} coupled to laser 22 and another end coupled to handpiece 36 
{ TAIL ~ Fiber } 30 has { HEAD ~ one end } coupled to laser 22 and another end coupled to handpiece 36
TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH