In {TAIL ~ a specialized hopper truck} having a large sloped hopper for {HEAD ~ sand/salt} and a belt conveyor in the bottom of the hopper for conveying sand/salt to the back of the truck for discharge into a spreader hopper 
In { TAIL ~ a specialized hopper truck } having a large sloped hopper for { HEAD ~ sand / salt } and a belt conveyor in the bottom of the hopper for conveying sand / salt to the back of the truck for discharge into a spreader hopper
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH