Contained between the chambers is {HEAD ~ a turbine} that is mounted on {TAIL ~ rotary bearings} and positioned within the path of the fluid flow 
Contained between the chambers is { HEAD ~ a turbine } that is mounted on { TAIL ~ rotary bearings } and positioned within the path of the fluid flow
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH