Honestly asbestos (and by analogy graphene) would be some of the more benign chemicals involved in semiconductor manufacturing. It regularly uses carcinogens, t

Honestly asbestos (and by analogy graphene) would be some of the more benign chemicals involved in semiconductor manufacturing. It regularly uses carcinogens, things that will cause miscarriages in pregnant women and acids strong enough to cause bone damage after being absorbed through the skin. Have a gander at https://en.wikipedia.org/wiki/Health_hazards_in_semiconductor_manufacturing_occupations https://en.wikipedia.org/wiki/Health_hazards_in_semiconducto... for more info.