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