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