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Instructions for Welding Iron, Stainless Steel, Zinc Iron, and Lead Steel. Remember to pay attention to cleaning iron must be very clean. Use a grinding machine to sharpen the area. Use a torch to pass the heat through the weld, sweep a little zinc-ready acid and then solder the lead to spread evenly. The other end is another metal also do the same thing, then import the 2 ends that already have lead and then insert the soldering torch to melt the lead out will stick the 2 metal segments together.
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