Ключевые слова: adult, backgrounds, blue, businessman, cartoon, characters, computer, construction, design, engineer, engineering, equipment, factory, graphic, hard, hardhat, hat, helmet, illustration, industry, machine, machinery, males, man, manager, mechanic, men, mining, occupation, one, part, person, pipeline, pipes, plumber, protective, repairman, safety, smiling, steel, surrounded, technology, vest, water, work, worker, working, wrench,