Ua holomua nui ʻo Joson i ka ʻenehana hana o 70kN disc insulator, a ʻoi aku ka paʻa o ka hoʻāʻo ʻana o ka insulator poʻo pololei ma mua o 80KN.

Ua holomua ʻo Joson i ka ʻenehana hana

ʻO ka paʻa o ka hoʻāʻo ʻana o ke poʻo pololei insulator (cylindrical head disc insulator) ʻoi aku ma mua o 80KN

Ka ho'āʻo laʻana o nā waiwai nui i waho

Ka ho'āʻo hana uila o nā huahana porcelain uila

Ke ana ʻana i nā mea kolo porcelain uila