this dahaarka dayrka korontadu alwaax post ciddi-on insulator insulator oo ka samaysan PP oo leh ilaalinta UV, oo si ballaaran loo isticmaalo fiilooyinka xajinta sare, silig, polywire ama polypope.

The dahaarka dayrka korontada boosteejada alwaax dahaarka ciddi-ku-saaran oo lagu dhejiyay birta alwaax bilal.