{TAIL ~ The circulating pump} 72 is crucial to the operation of the heat exchanger 10, as without {HEAD ~ the pump} 72 forcing liquid through the shell 12, only convection would force the liquid through the shell 12 and flow would be substantially stagnant 
{ TAIL ~ The circulating pump } 72 is crucial to the operation of the heat exchanger 10 , as without { HEAD ~ the pump } 72 forcing liquid through the shell 12 , only convection would force the liquid through the shell 12 and flow would be substantially stagnant
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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