FIG 4 is a perspective view of a washer to be used in {HEAD ~ conformity} with {TAIL ~ the invention} 
with
FIG 4 is a perspective view of a washer to be used in { HEAD ~ conformity } with { TAIL ~ the invention }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL