The flatbed unit includes forward and rear slabs coupled together for folding movement, and {HEAD ~ the forward slab} is foldably mounted on {TAIL ~ the tractor} 
is foldably mounted on
The flatbed unit includes forward and rear slabs coupled together for folding movement , and { HEAD ~ the forward slab } is foldably mounted on { TAIL ~ the tractor }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL