Ключевые слова: administration, architect, architecture, budget, builder, building, business, businessman, calculation, civil, concept, construction, construction law, construction plan, corporate, cost, cost calculator, design, document, drawing, electricity, engineer, engineering, hardhat, helmet, industrial, industry, job, man, management, manager, material cost, office, paperwork, plan, planning, prevent danger, professional, project, risk, safety, site, sketch, teamwork, technology, work, worker, working,