{HEAD ~ Apparatus} 4, mounted on {TAIL ~ a trailer}, where said receptacle is pivotally mounted on said trailer for movement between an angled operating position and a generally horizontal transportation position 
{ HEAD ~ Apparatus } 4 , mounted on { TAIL ~ a trailer } , where said receptacle is pivotally mounted on said trailer for movement between an angled operating position and a generally horizontal transportation position
HEAD HEAD HEAD HEAD HEAD OTH OTH 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