{TAIL ~ Water} moves from pathway 84 into {HEAD ~ pathway} 88 through a connecting, generally perpendicular pathway 94, generally defined by wall section 96, which extends downward from lower surface 86 to the upper end of wall 92 
{ TAIL ~ Water } moves from pathway 84 into { HEAD ~ pathway } 88 through a connecting , generally perpendicular pathway 94 , generally defined by wall section 96 , which extends downward from lower surface 86 to the upper end of wall 92
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH