In order to prevent hazards from chemicals. If you do not have to wear safety glasses and mask protection would make the volatile chemicals into the body, which will cause many complications, and may be dangerous to life.
To prevent damage from chemicals If not protected by wear safety glasses and mask to keep volatile chemicals into the body's motion. This will cause many complications and may be fatal.
To prevent chemical hazards if not protected by wear safety glasses and mask to volatile chemicals into the body. Which will cause a lot of complications and can be fatal.