Ключевые слова: apartment, background, blueprint, cable, construction, design, diagrams, drawing, electric, electrical, electrician, electricity, energy, engineer, engineering, flat, graphic, home, house, industry, installation, job, lay, line, nobody, object, office, paper, pencil, plan, planning, power, project, ruler, schematic, scheme, science, sketch, stationery, technical, technology, tools, top, view, voltage, wire, wires, wiring, work,