Safety:to protect yourself from harm and danger.
Hazardous: when an object can be dangerous.
Meniscus: the curved side of a liquid when it is in a beaker.
Lab safety rules:
1. Put bags under the desk.
2. Do not run in the lab.
3. do not play with test tubes.
4. wear safety glass when using fire.
5. Do not eat and drink in the lab
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