Ключевые слова: acoustic, aid, audio, audiologist, audiology, background, boy, brown, care, caucasian, child, closeup, color, deaf, deafness, defect, device, diagnosis, difficulty, disability, disease, disorder, ear, equipment, head, health, hear, hearing, illness, impaired, impairment, kid, listen, listening, little, loss, medical, medicine, mute, pale, person, primary, problem, school, silence, sound, technology, treatment, unhealthy, volume,