1. Zingwe zogwirizira ndi maginito tatifupi
2.Mpweya wozizira
3.reflective mapangidwe ndi khungu lofewa wochezeka
4.magnetic adsorption design
5.Sandwich mauna nsalu omasuka kupuma khungu nembanemba nsalu yopanda madzi, yosavuta kuyeretsa maginito batani yekha patent kapangidwe mwamsanga kumasula loko yosavuta kuvala