It's also under-appreciated how risky many common substances are when ground or cut. Cutting concrete, for example, can cause silicosis of the lungs[1] if precautions aren't taken. Wood dust is also potentially carcinogenic[2].
Then there's stuff like metal fume fever[3], which seems to be temporary but who knows what long term effects we'll discover in the future.
Then there's stuff like metal fume fever[3], which seems to be temporary but who knows what long term effects we'll discover in the future.
[1] https://www.elcosh.org/document/1930/d000852/Dry+Cutting+%25...
[2] https://www.ccohs.ca/oshanswers/chemicals/wood_dust.html
[3] https://en.wikipedia.org/wiki/Metal_fume_fever