2 ms·
WASH YOUR HANDS. It's the most important thing to do! Both lead and coronavirus hate it!
by exmadscientist 7y ago
WASH YOUR HANDS. It's the most important thing to do! Both lead and coronavirus hate it!
- weinzierl 7y agoThis and don't eat, drink or smoke in the lab. I remember my material sciences professor relating the story that blood lead levels for a certain group of pieceworkers dropped considerably when they banned smoking at the workplace.