Manama, Jan. 7 (BNA): Shaikh Khalid bin Abdullah Al Khalifa, Deputy Prime Minister, chaired the 286th meeting of the Ministerial Committee for Development and Infrastructure Projects.   The committee discussed regulatory frameworks and controls governing the conduct of commercial activities on public roads and squares, aimed at maintaining the urban environment and ensuring the smooth flow of traffic. It also examined mechanisms for the effective use of primary natural resources, with a...