{TAIL ~ The nozzle} is removable for {HEAD ~ maintenance} by detaching the flange member and withdrawing the nozzle through the opening 
{ TAIL ~ The nozzle } is removable for { HEAD ~ maintenance } by detaching the flange member and withdrawing the nozzle through the opening
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH