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