It's a lot easier to protect yourself in the lab if you know the meanings of the safety signs. The Lab Safety Signs are public domain images, so you can print them for use in your own lab. Plus, each image lists the hazard indicated by the sign.
Lab Safety Signs
From Anne Marie Helmenstine, Ph.D., About.com
Corrosive Materials Sign
Yves Guillou, openclipart.orgHelpful Chemistry Tools
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