{HEAD ~ Standard letter size file drawer} 10 includes {TAIL ~ two rows} 12 a, 12 b of hanging file folders 13, as shown in FIGS 1 a, 1 b 
includes
{ HEAD ~ Standard letter size file drawer } 10 includes { TAIL ~ two rows } 12 a , 12 b of hanging file folders 13 , as shown in FIGS 1 a , 1 b
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH 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 OTH