It is a related objective to attain this general objective without {HEAD ~ reliance} upon or usage of {TAIL ~ drayable chassis} that is end to end dimensionally adjustable 
upon
It is a related objective to attain this general objective without { HEAD ~ reliance } upon or usage of { TAIL ~ drayable chassis } that is end to end dimensionally adjustable
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH