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