A downstream coolant header 24 in {HEAD ~ association} with {TAIL ~ the product header} 20 removes coolant from the reactor 10 
A downstream coolant header 24 in { HEAD ~ association } with { TAIL ~ the product header } 20 removes coolant from the reactor 10
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH