1. Gwiritsani ntchito zinthu zoletsa moto, chitsimikizo cha chitetezo, chitsulo chosapanga dzimbiri choteteza dzimbiri komanso choteteza fumbi.
2. Ili ndi batani la PC, mphete yosalowa madzi ya silicone, yogwira ntchito bwino, yolimba komanso yodalirika.
Chogulitsachi chingagwiritsidwe ntchito pa mayendedwe, zida zotetezera, zida zapakhomo, zida zachipatala, choyambira, Bafa, ndi accesscontrol.