Weld thin profiles 1.2mm with flux core, micro-wire without gas, in flat positions, T (90 degrees) and vertical descending.
If you want to know more about flux core, you can see the following playlist:
https://www.youtube.com/watch?v=N-Xo4LcrmQ0&list=PLaPGRoXbFgL9EcV5ANFSLwVGVCH7gvJx1
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