An apparatus comprising: a helical cutter in a cylindrical envelope of 1.3 inch diameter by 1.3 inch length, the helical cutter being configured that {HEAD ~ 15,000 to 20,000 shearing operations} per second in the cylindrical envelope are performable by {TAIL ~ the helical cutter} 
are performable by
An apparatus comprising : a helical cutter in a cylindrical envelope of 1.3 inch diameter by 1.3 inch length , the helical cutter being configured that { HEAD ~ 15,000 to 20,000 shearing operations } per second in the cylindrical envelope are performable by { TAIL ~ the helical cutter }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL