As well, moveable gates can be utilized to control the flow of metallic ions into {HEAD ~ the body} of {TAIL ~ water} 
As well , moveable gates can be utilized to control the flow of metallic ions into { HEAD ~ the body } of { TAIL ~ water }
OTH 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