{TAIL ~ The water purifier} 3, further comprising {HEAD ~ moveable gates} to control fluid flow from into said body of water 
{ TAIL ~ The water purifier } 3 , further comprising { HEAD ~ moveable gates } to control fluid flow from into said body of water
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH