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