Dinuwan , I.; Palliyaguru , N.; Wijeratne, P. .; De Silva, P. .; Nanayakkara, N. Eco-Friendly Hydrophobic Epoxy - Fly Ash Coating to Prevent Fat, Oil and Grease Deposition in Sewers. J. Appl. Sci. Process Eng. 2026, 13, 76-91.