> PPE is the wrong solution here. Tools that don’t produce dust are the right solution.

"Essentially no dust" is not "no dust". There are no safe levels of silica that can be introduced to your lungs.

> And one really can work all day in a pouch-style N95 mask

N95 is basically the bare minimum in terms of filters. In my shop I have a shop vac with a tornado tumbler that attaches to tools for fine wood dust and a full face P-100 mask.

This is the one: https://parcilsafety.com/products/pd100-full-face-respirator

Here's the full filter list: https://cdn.shopify.com/s/files/1/0128/4037/0235/files/Full_...