Complex sentence: It has been attempting to become a University College, but fell out of favour in preference to the establishment of the National University of Science and Technology; the National University of Science and Technology used Bulawayo Polytechnic facilities to get started.
Split into simpler sentences: It has been attempting to become a University College but fell out of favour in preference to the establishment of the National University of Science and Technology. The National University of Science and Technology used Bulawayo Polytechnic facilities to get started.