Ключевые слова: acoustic, background, beige, builder, care, color, construction, container, copy, decibel, ear, eardrum, earplugs, ears, engineer, equipment, hardhat, health, hearing, industrial, insert, job, knife, lilac, listen, loud, noise, noisy, object, plastic, pliers, plugging, plugs, problem, protection, protective, quiet, reduce, safe, safety, silence, sound, space, stationery, stoppers, supplies, text, tool, work, worker,