first and second screw conveyor members rotatably mounted adjacent {TAIL ~ the bottom} of {HEAD ~ said sloped hopper bottom} 
first and second screw conveyor members rotatably mounted adjacent { TAIL ~ the bottom } of { HEAD ~ said sloped hopper bottom }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD