{HEAD ~ Water} released in the zones gravitates downwardly into {TAIL ~ the water collection region} 96 and is removed 
gravitates downwardly into
{ HEAD ~ Water } released in the zones gravitates downwardly into { TAIL ~ the water collection region } 96 and is removed
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH