Ключевые слова: builder, cancelling, construction, contractor, coveralls, diy, ear, earmuffs, earphone, earphones, equipment, foreman, head, headphones, headset, hearing, industrial, industry, ladder, listening, loud, maintenance, male, man, manager, mechanic, muff, muffs, noise, overalls, phones, plug, professional, protection, protective, reduction, repair, repairman, repairshop, safety, silence, smiling, sound, supervisor, tools, uniform, work, worker, workshop, workwear,