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