Upda
1. If you see something in the
classroom or laboratory that is immediately
dangerous, tell the teacher
2. rags or paper towels with flammable liquids A metal or crockery container with
a lid
or solids on or in them must be put in
3. any spill on the floor can cause an accident. immediately
Always clean it up
4. Alcohol, acetone, and other volatile and open flame
mate- rials than can burn easily should
never be used near
5. when you work with laboratory
chemicals and Bunsen burners, long kept out of the way by wearing a
hair must be
band, hat, or hairnet
6. when you work with laboratory
chemicals, equipment, or burners, you goggles
must wear
7. if you are hurt (Cut, burned, and so on), tell teacher at once
the
8. whenever you are in the classroom or labo- close tied shoes
ratory, you should wear
9. if you think there is something wrong the teacher
with a piece of equipment you are
using, stop, turn it off, and tell
10. if you break a piece of glassware or
other equipment, tell the teacher immediately
11.
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