Siffar:
● Aiki a tsaye biyu-polarization.
● karɓar sigina cikin sauri da kwanciyar hankali.
● Hanyar siginar mara amfani yana raguwa da yawa, kuma ana karɓar sigina mai tasiri da kyau.
● Kyakkyawan juriya mai tasiri, hana ruwa da iyawar anticorrosion.