Ключевые слова: accessibility, aid, audible, auditory, aural, background, black, deaf, deafness, design, disability, disabled, drawing, ear, earphone, earphones, earpiece, facility, handset, harken, headphone, headset, health, hear, hearing aid, hearing impairment, heed, icon, icons, illustration, impaired, impairment, induction, information, iso, isolated, listen, loop, overhear, overhearing, public, receiver, service, sign, sonotone, sound, symbol, system, t,