In still another aspect of the present inventions, {HEAD ~ the frame} has {TAIL ~ a plurality} of sets of registration surfaces which are each adapted to register the frame to the cassette handler support surface 
has
In still another aspect of the present inventions , { HEAD ~ the frame } has { TAIL ~ a plurality } of sets of registration surfaces which are each adapted to register the frame to the cassette handler support surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL 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