1. Sisitimu yekudzora yakangwara
2. Chizvarwa chazvino chemota dzemagineti dzinogara kwenguva refu dzinoshanda zvakanyanya
3. Chizvarwa chazvino chekushandura mafrequency akagadzikana zvakanyanya
4. Hurefu hwekushandurwa kwema frequency hwakakura hwakakosha zvikuru
5. Kukanganisa kudiki kwemakambani matsva
6. Ruzha rwakaderera