mirzapurs Asked: December 2022 in which welding technique small projections round dimples are formed on one surface of the parts to be weldedgive me answer
mirzapurs Asked: December 2022 in which welding technique small projections round dimples are formed on one surface of the parts to be welded
mirzapurs Asked: December 2022 in which metal joining process a sheet metal edge is rolled over onto itself