{HEAD ~ The apparatus} includes a tube holding mechanism, a rotating cutting tool and {TAIL ~ a device} for driving the cutting tool 
{ HEAD ~ The apparatus } includes a tube holding mechanism , a rotating cutting tool and { TAIL ~ a device } for driving the cutting tool
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH