Mejupụtara polima insulator ọgwụgwụ kwesịrị ekwesị na ndị ọzọ ụdị insulator kwesịrị ekwesị na-mere si elu àgwà ihe, na kwesịrị ekwesị na-ekpo ọkụ itinye galvanization na akụkụ izute waya nso nke chọrọ n'oge na-ewu nke akara na AAAC, ACSR, ACSS cable systems na voltaji 10-35kV, nke eliminates ize ndụ nke odida nke electric ike nnyefe akara si ifufe ije, vibrations.
