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