Inlet 30 is provided for {HEAD ~ the coolant} as introduced to the header 22 for distribution through {TAIL ~ the reactor} 10 
Inlet 30 is provided for { HEAD ~ the coolant } as introduced to the header 22 for distribution through { TAIL ~ the reactor } 10
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH