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