Elemental mercury is very toxic, inhaling its vapor is dangerous. https://en.wikipedia.org/wiki/Mercury_(element)#Toxicity_and_safety https://en.wikipedia.org/

Elemental mercury is very toxic, inhaling its vapor is dangerous. https://en.wikipedia.org/wiki/Mercury_(element)#Toxicity_and_safety https://en.wikipedia.org/wiki/Mercury_(element)#Toxicity_and...