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Okay Class one important rules that everyone must know is you should NEVER look in a test tube while is on a heat pad or point it at anyone
So just make sure when we are doing a lab you remember that it is very unsafe to look into the test tube.
Yes, I will make sure Im careful when i'm handling with dangers chemicals
that is the perfect distance you should be always remember you not over top of what your doing so it doesn't go into your face
thanks for your help now I won't inhale unsafe chemicals.
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