{HEAD ~ Articulated chassis} 14 is supported for over {TAIL ~ the ground travel} by a pair of front wheels 22 mounted to front frame section 16, and a pair of rear wheels 24 mounted to rear frame section 18 
{ HEAD ~ Articulated chassis } 14 is supported for over { TAIL ~ the ground travel } by a pair of front wheels 22 mounted to front frame section 16 , and a pair of rear wheels 24 mounted to rear frame section 18
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH