{HEAD ~ A rotary drilling tool} has {TAIL ~ a plurality} of cutters mounted on the tool body and formed with cutting edges defining a cutting profile 
{ HEAD ~ A rotary drilling tool } has { TAIL ~ a plurality } of cutters mounted on the tool body and formed with cutting edges defining a cutting profile
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH