A sample case assembly has {HEAD ~ a pair} of {TAIL ~ open ended containers} each of which is supported by one section of a two section wheeled base member or dolly 
of
A sample case assembly has { HEAD ~ a pair } of { TAIL ~ open ended containers } each of which is supported by one section of a two section wheeled base member or dolly
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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