Do a search on IForgeIron for "fume fever" to get started. Then Google "metal fume fever" and "heavy metal poisioning".
Grinding on galvanized material also puts zinc particles into the air as dust. Getting different materials containing zinc hot can release zinc fumes, brazing for instance. Zinc is not the only heavy metal that causes concern. Welders have problems from inhalation of the welding smoke and the materials (heavy metals and otherwise) that the smoke contains.
When you get your research complete, please present it as a Blueprint as a reference for others.
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Tools do not make the blacksmith, the blacksmith makes the tools. gc
If someone questions your standards, they are not high enough.
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