{TAIL ~ A coring device} is mounted onto the platform and used for forming {HEAD ~ a cavity} in the nuggets 
{ TAIL ~ A coring device } is mounted onto the platform and used for forming { HEAD ~ a cavity } in the nuggets
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH