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module 9 Weld Discontinuities (Weld Defects).ppt
Module 3 Welding Technique untuk jurusan pengelasan
Module 5. Weld Joints Design, Types of Weld and welding Symbols.ppt
Module 2 - Arc Welding Process with all type
MESIN-MESIN FLUIDA DAN JENIS - JENISNYA.pdf