{TAIL ~ A predetermined number} of pilot holes 164 may be drilled into {HEAD ~ the side edge} 48 of the inactive door 24 at several predetermined locations 
{ TAIL ~ A predetermined number } of pilot holes 164 may be drilled into { HEAD ~ the side edge } 48 of the inactive door 24 at several predetermined locations
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH