{TAIL ~ The secondary float} has an axial through {HEAD ~ hole} and is movably sleeved on the refill pipe  
{ TAIL ~ The secondary float } has an axial through { HEAD ~ hole } and is movably sleeved on the refill pipe
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH