Ключевые слова: architecture, background, black, build, builder, building, business, carpentry, color, construction, device, ear, engineer, engineering, equipment, fix, flying, hardware, headphones, hear, hearing, industrial, industry, instrument, isolated, item, job, loud, modern, muffs, nobody, noise, object, occupation, profession, protection, protective, protectors, reduction, repair, risk, safe, safety, sound, supplies, technology, tool, white, work, yellow,