{HEAD ~ The spacing} of {TAIL ~ the pilot} holes 164 should correspond to the desired location of the screw sleeve 50 that are to be fixed in place 
of
{ HEAD ~ The spacing } of { TAIL ~ the pilot } holes 164 should correspond to the desired location of the screw sleeve 50 that are to be fixed in place
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH