{HEAD ~ 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 {TAIL ~ the cooling pipe} on a beverage introducing side 
{ HEAD ~ 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 { TAIL ~ the cooling pipe } on a beverage introducing side
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH