Tell us about yourself!
You do far better in a second language than I do :-) (Old joke in the US: What do you call someone who can speak three languages? Trilingual. Two languages? Bilingual. One language? American :-)
Welding wire? Looks like solder to me. (Plastic spool says "solder". Alloy composition not visible.) And a soldering iron wouldn't melt "welding wire" particles (typically brass). Probably an error in translation. HTH,Mike