Not the ones in the US I did some work for. They were pulverizing, treating and then milling. They were fighting with dust collection and may have improved that since, but what a mess.
Microsoft has been doing great this past year as well.
Got thank our PM Justin Trudeau for his weak economic policies contributing to our dollar's ongoing decline. 1.31 current exchange.
Go Trudeau.
Ever do any work in a toner manufacturer, jet milling/after treatment processes?
That shit is and gets everywhere. Spend a few hours and you will look like you came out of a coal mine.