Kwa iwo omwe ali atsopano kumunda uwu, zomangira zomangira ndizosazolowera.Zidazi ndi zitsulo zosapanga dzimbiri, chitsulo cha carbon, mkuwa, ndi aluminiyamu.Mutu nthawi zambiri umakhala wathyathyathya (zozungulira kapena hexagonal, ndi zina zotero), ndodoyo imakhala ndi ulusi wonse, ndipo pamutu pake pali mano amaluwa, omwe angathandize kuti asamasulidwe.