Ключевые слова: architect, builder, building, civil, conceptual, construction, contractor, development, document, employment, engineer, engineering, equipment, factory, foreman, hard, hard hat, hardhat, hat, headgear, helmet, industrial, industry, inspector, job, labor, maintenance, manager, manufacturing, many, occupation, plan, plastic, prevention, profession, professional, project, protect, protection, protective, row, safe, safety, tool, work, worker, working, workplace, yellow,