An inclined ramp is located on the loading station; {HEAD ~ a carrier} is movably mounted on {TAIL ~ the ramp} so as to be capable of being elevated from adjacent to the lower end of the ramp to adjacent to the upper end of the ramp 
is movably mounted on
An inclined ramp is located on the loading station ; { HEAD ~ a carrier } is movably mounted on { TAIL ~ the ramp } so as to be capable of being elevated from adjacent to the lower end of the ramp to adjacent to the upper end of the ramp
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH