A mobile vehicle is disclosed having a boom pivotally mounted thereon for slewing about a vertical axis and {HEAD ~ a work head} attached to the free end of the boom by {TAIL ~ a universal mounting} 
attached by
A mobile vehicle is disclosed having a boom pivotally mounted thereon for slewing about a vertical axis and { HEAD ~ a work head } attached to the free end of the boom by { TAIL ~ a universal mounting }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL