Protective clothings, safety shoes
The use of personal protective equipment, is often necessary to protect employees from injury or illness caused by exposure to toxic substances and ot...
The use of personal protective equipment, is often necessary to protect employees from injury or illness caused by exposure to toxic substances and ot...
On chemical labels, risk phrases are written : R phrases, S phrases which inform about the risks of the substances. Bookmark on Delicious Digg this p...