The coring unit may additionally be adapted to allow for {HEAD ~ remote operation} of {TAIL ~ the coring unit} 
The coring unit may additionally be adapted to allow for { HEAD ~ remote operation } of { TAIL ~ the coring unit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL