1. Liquids do not go into the bins, because they could stick to the material in the bin, then when they would be emptied into the trash and sent to landfill, they would seriously pollute the landfill.
2. Solids do not go down the sink because they could block the water ways and it will go to taps and if someone drinks the water/liquid it will kill them.
3. Wear safety glasses when you do experiments,
because the experiments might explodes in your face and it might damage your eyes.
4. Put your chair under the desk, and stand at the bench
when you do experiments, because you could trip over with a experiment and hurt yourself.
5. Bags do not go on the desks, because the chemicals could leak in your bag.
6. Long hair should be tied back, because it could do something bad to your hair.
7. Do not smell the chemicals, because you could pass out.
8. Walk, don’t run around the room, because you could trip and break a bone.
9. Do not eat or drink in the lab, because you could get poisoned and maybe die.