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