1.Steel Column, Beam: Ndimakhala ndi galvanization yotentha ya dip
2. Zida zoweta nkhuku: silo yayikulu, khola ndi chimango, chingwe chodyera, njira yakumwa, njira yoyeretsera manyowa, kusonkhanitsa mazira, mpweya wabwino, kuwongolera chilengedwe ndi kuyatsa.
