Accordingly, the flaps 46 can be used to secure {HEAD ~ instruments} to {TAIL ~ the base member} 12 in that region of the base member 12 adjacent the sheet of abrasive material 42 
to
Accordingly , the flaps 46 can be used to secure { HEAD ~ instruments } to { TAIL ~ the base member } 12 in that region of the base member 12 adjacent the sheet of abrasive material 42
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH