Ключевые слова: adult, business, business finance and industry, caucasian ethnicity, closeup, computer, construction industry, control, craftsperson, creativity, cutting, electricity, engineer, engineering, equipment, expertise, factory, hand, holding, human hand, indoors, industry, machine part, machinery, males, manufacturing, manufacturing equipment, material, men, occupation, one person, part of, plan, professional occupation, repairing, science, selective focus, service, skill, table, teamwork, technician, technology, unrecognizable person, women, work tool, working, workshop, young adult,