Science labs, particularly chemistry labs, have a lot of safety signs. This is a collection of public domain images you can use to learn what the different symbols mean or to construct signs for your own lab.
|Eyewash Sign or Symbol||Safety Shower Sign or Symbol||First Aid Sign||Defibrillator Sign|
|Fire Blanket Safety Sign||Radiation Symbol||Biohazard||Radioactive Symbol|
|Ionizing Radiation Symbol||Recycling Symbol||Skull and Crossbones||Toxic|