teaching apparatus, namely, an electronic device incorporating a CPU, pressure sensitive touch screen, disk drive, barcode scanner, speech synthesizer, and electronic braille keyboard, and pre-recorded audio and visual tapes, cassettes, and disks featuring lessons for teaching the use of Braille and life skills to and for the visually impaired

'apparatus':2 'audio':28 'barcod':16 'braill':22,42 'cassett':32 'cpu':9 'devic':6 'disk':14,34 'drive':15 'electron':5,21 'featur':35 'impair':51 'incorpor':7 'keyboard':23 'lesson':36 'life':44 'name':3 'pre':26 'pre-record':25 'pressur':10 'record':27 'scanner':17 'screen':13 'sensit':11 'skill':45 'speech':18 'synthes':19 'tape':31 'teach':1,38 'touch':12 'use':40 'visual':30,50

teaching materials printed or in Braille, namely, teacher's manuals, print books, paper Braille books and lessons

'book':12,15 'braill':6,14 'lesson':17 'manual':10 'materi':2 'name':7 'paper':13 'print':3,11 'teach':1 'teacher':8

SAL

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