{HEAD ~ A milling head} has a body, a holding device, a driving axle, a spraying device and {TAIL ~ a tool adaptor} 
has
{ HEAD ~ A milling head } has a body , a holding device , a driving axle , a spraying device and { TAIL ~ a tool adaptor }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL