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