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 preca

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. [1] https://www.elcosh.org/document/1930/d000852/Dry+Cutting+%2526+Grinding+is+Risky+Business.html#:~:text=Fine%20particles%20created%20by%20cutting,incurable%20lung%20disease%20called%20silicosis https://www.elcosh.org/document/1930/d000852/Dry+Cutting+%25... [2] https://www.ccohs.ca/oshanswers/chemicals/wood_dust.html https://www.ccohs.ca/oshanswers/chemicals/wood_dust.html [3] https://en.wikipedia.org/wiki/Metal_fume_fever https://en.wikipedia.org/wiki/Metal_fume_fever