Answers

2014-06-24T18:18:26+08:00
Immediately call your lab instructor for further assistance. 
ALWAYS REMEMBER: wear complete PPEs (personal protective equipment) while doing an experiment. Lab gowns, sterile gloves, goggles, face mask, and hair net are necessary for every experiment either you're dealing with chemicals or not. 
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PPEs are for your protection and prevention. :)