{TAIL ~ The assembly} 1, wherein {HEAD ~ the desired average fly height} is lower than the unaltered average fly height 
{ TAIL ~ The assembly } 1 , wherein { HEAD ~ the desired average fly height } is lower than the unaltered average fly height
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH