Raised curbs 69 can be added to {HEAD ~ floor structure} 63 and {TAIL ~ center frame} 61 
Raised curbs 69 can be added to { HEAD ~ floor structure } 63 and { TAIL ~ center frame } 61
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH