Ключевые слова: adult, blue, busy, cable, clay, color image, construction industry, construction machinery, construction worker, cross section, cutting, danger, day, electric, electric shock, electricity, equipment, grinding, heat temperature, horizontal, human arm, human body part, human leg, human limb, industry, iron metal, limb, machinery, making, manual worker, manufacturing, manufacturing equipment, men, metal, occupation, outdoors, people, pipe tube, power line, repairing, safery clothes, safety, safety equipment, sparks, steel, stuff, turning, underground, wheel, working,