Tambo yekumusoro ine insulation yakafanana neyakabatana imhando itsva yezvinhu zve lead zvichibva pa conductor yekunze yakavharirwa. Yakavandudzwa pakugadzirwa kwayo uye chimiro chayo, ine zvakanakira zvekudzivirira mamiriro ekunze, kudzivirira kukwegura, kuisa kwayo kuri nyore, hapana kubuda kwemvura, yakachengeteka uye yakavimbika. Kune remangwana rakakura mu network yemagetsi emagetsi akaderera ekumaruwa.
