Manurung, Y. H. P.; Mohamed, M. A.; Andud, D.; Abidin, A. Z.; Saidin, S.; Kasim, K.; Ishak, D. P. LIFE EXTENSION TECHNIQUE FOR WELDED STRUCTURE USING HFMI PIT: A REVIEW ON PAST AND CURRENT RESEARCHES WITH APPLICATIONS. Int. J. Innov. Mech. Eng. Adv. Mater 2016, 2, 46-60.