ibisobanuro bigufi:

Amashanyarazi ya PVC, kaseti ya PVC, nibindi bifite insulasiyo nziza, kurwanya umuriro, kurwanya voltage, kurwanya ubukonje nibindi biranga, bikwiranye no guhinduranya insinga, transformateur, moteri, capacator, imashini zikoresha amashanyarazi nubundi bwoko bwimashini zikoresha amashanyarazi, gukosora ibice bya elegitoroniki. Hano hari umutuku, umuhondo, ubururu, umweru, icyatsi, umukara, umucyo nandi mabara.