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