a hose, one end of which is connected to the dispensing head and, and the other end of which is connected to {HEAD ~ an end} of {TAIL ~ the cooling pipe} on a beverage introducing side thereof 
of
a hose , one end of which is connected to the dispensing head and , and the other end of which is connected to { HEAD ~ an end } of { TAIL ~ the cooling pipe } on a beverage introducing side thereof
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH