Ключевые слова: architect, blue print, blueprint, builder, business, chemical, construction, construction drawing, construction site, constructor, design, drawing, energy, engineer, engineering, equipment, factory, foreman, fuel, gas, helmet, industrial, industry, inspector, job, manager, manufacturing, oil, people, petrochemical, pipe, plan, production, professional, project, refinery, safety, safety helmet, site, structure, technology, white, work, worker, workplace,