Ключевые слова: acoustic, adult, aid, assistive technology, audio, audiologist, audiology, auditory, care, caucasian, closeup, deaf, deafaid, deafness, device, disabled, ear, equipment, health, health care, healthcare, hear, hearing, hearing aid, impairment, instrument, listen, listening, male, man, medical, modern, patient, people, person, problem, sound, technology, wearing,