A spear and {HEAD ~ studs} are mounted on the platform and a hydraulic cylinder connected to the center point controls {TAIL ~ the angular orientation} of the spear and the frame 
A spear and { HEAD ~ studs } are mounted on the platform and a hydraulic cylinder connected to the center point controls { TAIL ~ the angular orientation } of the spear and the frame
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH