Multilayer winding insulation tekinoroji inzira yekuvandudza tekinoroji yekupisa nekutenderedza mapeji akawanda emidziyo yekudzivirira (senge polyethylene, polyurethane, nezvimwewo) yakatenderedza pombi kana midziyo.
Microwave nondestructive yekuyedza tekinoroji yakatanga muma1960s. Microwave nondestructive test tekinoroji ndeyekuvheneka mafungu emagetsi eimwe frequency muGHzMHz3300 ~ 330 kune chinhu chinoedzwa.