Sharif, Asia Osman Mohammed; Osman, Khalid Esam Nureldin; Mohammed, Mohammed Abd Alhameed; Awad, Suha Salah Eldeen
(Sudan University of Science and Technology, 2014-09-10)
With the major advance in the building and the vertical development in the multi-level buildings, the need for the transporting between those buildings’ floors easily and fast became very important, and therefore the use ...