{HEAD ~ A turbine} integrated within a hydrofoil extracts {TAIL ~ energy} from a free flowing motive fluid 
{ HEAD ~ A turbine } integrated within a hydrofoil extracts { TAIL ~ energy } from a free flowing motive fluid
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH