1. Zowonongeka zamoto, chitetezo chokwanira, chosavuta kugwiritsa ntchito, anticorrosion yachitsulo chosapanga dzimbiri komanso fumbi.
2. Lili ndi batani la PC, mphete ya silikoni yopanda madzi, yogwiritsidwa ntchito kwambiri, yogwira ntchito kwambiri, yolimba komanso yodalirika.
Zogulitsazo zitha kugwiritsidwa ntchito popanga magalimoto, zoyendera, zida zachitetezo, mafakitale amagetsi, zida zapakhomo, zida zamankhwala, mafakitale opanga zida zapakhomo, zoyambira, bafa, kuwongolera mwayi ndi zina zotero.