Laboratory materials are to be used only in the laboratory.
Laboratory materials must be used only for purposes
sanctioned by the teacher in charge. It is not permissible
to go beyond the instructions of the teacher in any experiment.
Nothing must be taken out of the laboratory.
Bottles should never be held by the neck.
Nothing should be tasted without the instructions
of the teacher.
Any substance accidentally taken into the mouth must
be spat out at once and the mouth washed out with water.
Acid or alkali on the skin or clothing must be washed
at once with much water.
Any cut, burn, scald, material in the mouth, or other
accidents must be reported at once to the teacher in charge.
Be careful that the name on the bottle is exactly
the same as the one that you require.