The descending cable is guided along with the first flexible pipe into the first tank to be mounted on a pulley secured to the bottom of the first tank and to be fixed to {HEAD ~ the bottom} of {TAIL ~ a first float} in the first tank 
of
The descending cable is guided along with the first flexible pipe into the first tank to be mounted on a pulley secured to the bottom of the first tank and to be fixed to { HEAD ~ the bottom } of { TAIL ~ a first float } in the first tank
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 TAIL TAIL OTH OTH OTH OTH