M303 - Dukungan

m303I completed this course in 2016 and achieved a grade 2 pass. It's a very tough course, in my opinion. You should have completed M208 (or its equivalent) recently prior to starting M303 inM303 is a type of mould steel with hh chromium and nickel content. It has hh hardness, strength and corrosion resistance. See its chemical composition, physical and mechanical