{TAIL ~ A drilling/reaming tool} includes {HEAD ~ a basic body} which extends in a longitudinal direction 
{ TAIL ~ A drilling / reaming tool } includes { HEAD ~ a basic body } which extends in a longitudinal direction
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH