{HEAD ~ The coring unit} includes {TAIL ~ a frame} containing the components of the unit, which include a coring bit, a coring bit motor, a traverse mechanism, and a stabilizer for allowing ready orientation of the coring unit with respect to an object being cored 
{ HEAD ~ The coring unit } includes { TAIL ~ a frame } containing the components of the unit , which include a coring bit , a coring bit motor , a traverse mechanism , and a stabilizer for allowing ready orientation of the coring unit with respect to an object being cored
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH