Keywords:
Dimensional measurement, Impact testing, Testing conditions, Railway electric traction equipment, Environmental testing, Type testing, Marking, Traction-current-collecting devices, Railway vehicle components, Field testing, Current-collecting equipment, Railway vehicles, Force measurement, Railway equipment, Performance testing, Overhead contact lines, Heating tests, Reliability, Overhead contact systems, Vibration testing, Performance, Leak tests, Overhead power lines, Visual inspection (testing), Endurance testing, Maintenance