{TAIL ~ Each} of {HEAD ~ the cooling shoes} includes an air expansion chamber communicating through a shoe inlet when in use with a supply of air under pressure 
{ TAIL ~ Each } of { HEAD ~ the cooling shoes } includes an air expansion chamber communicating through a shoe inlet when in use with a supply of air under pressure
TAIL TAIL TAIL TAIL TAIL OTH HEAD 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