Ключевые слова: background, belt, black, builder, concept, construction, decibels, ear, earmuff, earmuffs, earplugs, equipment, female, hard, hardhat, head, hearing, industrial, industry, isolated, item, labor, laborer, loud, male, muff, muffs, noise, noisy, object, over, pair, people, person, plastic, pretty, protection, protective, protectors, red, reduction, safety, sound, studio, symbol, tool, wear, white, work, worker,