In conventional fashion, {HEAD ~ the container} adjacent its forward end is removably attached to {TAIL ~ a frontal portion} of the drayable chassis 
In conventional fashion , { HEAD ~ the container } adjacent its forward end is removably attached to { TAIL ~ a frontal portion } of the drayable chassis
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH