• Malo abwino, okhalitsa ngati atsopano: Pamwamba pake amapukutidwa ndi zigawo zingapo, zomwe sizizimiririka komanso kupititsa patsogolo kukula kwa mipando.
• Zosankhidwa bwino, zolimba: Zida za aloyi za Zinc zolimba kwambiri komanso zosachita dzimbiri, zosapunduka komanso dzimbiri;
• Kugwira momasuka, kuumba kwachidutswa chimodzi: Kupangidwa mu chidutswa chimodzi, kumamveka kokhuthala, kumagwira dzanja limodzi, kumva bwino;
• Bowo lokhazikika la screw, lolumikizidwa mwamphamvu: Loyenera 99% ya screw, ulusi ndi womveka, kuluma ndi kothina, ndipo sikophweka kumasula kwa nthawi yayitali.