This handle is preferably permanently attached to the uppermost case, in this embodiment case 10, of the assembled units by {HEAD ~ means} of {TAIL ~ fasteners} 21  
of
This handle is preferably permanently attached to the uppermost case , in this embodiment case 10 , of the assembled units by { HEAD ~ means } of { TAIL ~ fasteners } 21
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH