1. Njira yabwino yopukutira pa tsamba kuti ibowole mosavuta komanso bwino.
2. Silicone singano amachepetsa ululu ndi magazi coagulation.
3. Diso lakumbuyo ndi ultra thin-walled zimatsimikizira kuthamanga kwa magazi.
4. Mapiko osinthasintha ndi mapiko osasunthika amapezeka.