Iyo insulation zvinhu zve waya uye tambo chiratidzo chakakosha kuti uve nechokwadi chekushanda kwakakodzera kwemuchetesi. Hupenyu hwekushandisa hwezvinhu zvekusimbisa chinhu chakakosha chehupenyu hwetambo. Kazhinji, chii zvinhu zvekushandisa zvatinoshandisa kune waya uye tambo?
