SPIRIDENOK, L., YANUSHONOK, A. and BOGDANOVICH, N. 2020. DETERMINATION OF CONDITIONS OF OPERATION OF CONNECTING BELTS AT INSTALLATION OF BALLASTING ELEMENTS ON OIL PIPELINE AT AN ANGLE OF 30 ° . Vestnik of Polotsk State University. Part B. Industry. Applied Sciences. 11 (Sep. 2020), 110-114.