The containers may be hinged together on {TAIL ~ one side} to form {HEAD ~ sample cases} and detachably connected to the dolly 
The containers may be hinged together on { TAIL ~ one side } to form { HEAD ~ sample cases } and detachably connected to the dolly
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH