Ключевые слова: above, architect, blueprint, building, calculator, concept, construction, contractor, designer, development, document, draft, drawing, engineer, expertise, formal, hands, hardhat, helmet, house, human, idea, improvement, indoors, industry, job, line, male, man, measuring, occupation, office, paper, pencil, person, plan, professional, project, protective, reconstruction, ruler, sketching, specialist, structure, table, tie, unrecognizable, vertical, working,