A pumping apparatus actuated by waves in {HEAD ~ a large body} of water for pumping {TAIL ~ water} to a remote location 
for pumping
A pumping apparatus actuated by waves in { HEAD ~ a large body } of water for pumping { TAIL ~ water } to a remote location
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH