{HEAD ~ an inclined ramp} located on said loading station adjacent to said {TAIL ~ side} thereof, 
{ HEAD ~ an inclined ramp } located on said loading station adjacent to said { TAIL ~ side } thereof ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH