Ключевые слова:
Ropes, Tramway systems, Overhead contact lines, Trolley buses, Synthetic fibres, Delivery, Railways, Electric power transmission lines, Railway fixed equipment, Conformity, Railway catenaries, Electrical insulating materials, Mechanical testing, Suspended structures, Quality assurance, Railway electric traction equipment, Vibration dampers, Electric insulators, Railway engineering, Electrical testing, Overhead contact systems, Noise control devices, Consumer-supplier relations, Railway applications