The holder can be provided with a sheet of {TAIL ~ abrasive material} in order to permit surgical instruments to be cleaned during {HEAD ~ the course} of an operation 
The holder can be provided with a sheet of { TAIL ~ abrasive material } in order to permit surgical instruments to be cleaned during { HEAD ~ the course } of an operation
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH