Igikurwaho kuruhande, byoroshye kubungabunga;
Inyuma yo kwaguka imbere gufunga, byiza kandi bihamye;
Bikwiranye na Φ17-Φ19;
Teflon insinga irwanya ubushyuhe, ibereye ibidukikije bitandukanye;
EMC ya electromagnetic ihuza igishushanyo, imikorere yizewe mubidukikije bya electroniki;
Urwego rwa voltage alarm impuruza ntoya.