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