write the peoprecations to take in experiment
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improve ur English!!!!?
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LABORATORY PRECAUTIONS AND SAFETY PROCEDURES
- No food or drink is allowed in lab unless food or drinks are provided as a part of the lab. ...
- Shoes must be worn in lab.
- If you have very long hair, please tie it back in the laboratory.
- Handle chemicals, reagents, and stains carefully and follow all warnings.
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