Sanjaya, N.A.A.K.; Dharmaratna, W.G.D.; Abeywickrama, S.S.; Ranatunga, E. M.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
PVC bends are commonly used by plumbers when laying PVC pipe lines in buildings. Many plumbers make bends by themselves by just heating and bending by hands, which is not the most successful method, especially for less ...