Ключевые слова: attention, barrel, bio, biological, busy, chemicals, dangerous, dealing, engineer, equipment, factory, filling, fuel, gas, gear, gloves, glow, hazard, hazardous, industrial, industry, job, man, mask, occupation, oil, procedure, production, professional, protective, recycling, risk, rubber, safe, safety, science, skilled, specialist, substance, tank, tech, technician, toxic, uniform, waste, wear, work, worker, yellow,