Fluid communication from the system may thereafter occur along {TAIL ~ the second flow path} at {HEAD ~ the relief valve apparatus} opens in response to pressure buildup in the flow path 
Fluid communication from the system may thereafter occur along { TAIL ~ the second flow path } at { HEAD ~ the relief valve apparatus } opens in response to pressure buildup in the flow path
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH