Ключевые слова: background, calm, care, concept, cone, deaf, ear, earplug, equipment, filter, foam, guard, gun, health, hear, hunter, industrial, isolated, loss, loud, medical, noise, peace, plug, pollution, prevention, protect, protection, protective, quiet, reduce, reduction, reflection, regulation, rubber, safe, safety, shooting, silence, sound, tools, volume, white, work, yellow,