Ключевые слова: blueprint, box, cable, century, chains, cold, connection, construction, development, diagrams, dimensional, document, drawing, electric, electrical, electricity, elevated, energy, engineer, engineering, equipment, fitter, fuse, geometry, glove, housing, intensity, jobs, lines, machinery, metal, multimeter, network, nobody, numbers, overhead, panel, paper, plan, project, row, science, spanner, switch, symbol, technician, technology, tool, voltage, wire,