The device comprises a de burring tool 10, 25 having an impact surface with a profile which corresponds with the profile of the region of {HEAD ~ the workpiece} which requires {TAIL ~ de burring} 
requires
The device comprises a de burring tool 10 , 25 having an impact surface with a profile which corresponds with the profile of the region of { HEAD ~ the workpiece } which requires { TAIL ~ de burring }
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 OTH REL TAIL TAIL TAIL TAIL TAIL TAIL