Thank you Bert,
I wasn't suggesting that _machining_ SS was hazardous and a source of toxins, just more difficult that brass. That welding SS is a recognized hazard is good to know, even if some deny it. Maybe a difference between melting it with a flame and vaporizing/ablating it with plasma?
For those interested, the safety URL you provided contains spaces, and the spaces are a necessary part of the URL. So you can't just click on the link, as the spaces won't be picked up; one needs to copy and paste the whole thing into your browser:
"http://www.weldreality.com/Safety stainless issues.htm" Never knew you can have embedded spaces!
Regards, Gary