Ключевые слова: architect, architecture, blue, blueprint, building, cap, compass, concept, construction, contractor, design, draw, drawing, engineer, engineering, equipment, estate, hard, hard hat, hardhat, hat, helmet, home, illustration, industrial, industry, isolated, map, paper, pencil, plan, plant, plastic, project, protect, protection, protective, real, roll, ruler, safe, safety, scheme, security, sketch, structure, trammel, white, work, yellow,