Take some time and learn to spark test metals. There are many videos that show how to identify metals by what kind of spark they give off when you hit them with a grinding wheel. I would post a link but work blocks youtube. Just go search spark testing metals, this was a big help when I first got started and I still use it today.
Good luck


- Denny,from Wisconsin. Pretty new to scrapin, but need extra cash and have LOTS of que






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