The fume hood has constant voltage power outlets and variable voltage outlets. What is the only thing that should only be plugged in at the variable voltage power outlet? Heat gun Sand bath Mel-Temp apparatus Hot plate When should you begin the performing the planned procedure for the lab session? After washing your hands After the teaching assistant gives permission to start As soon as you enter the laboratory After you have watched what everyone else is doing What is the correct course of action if you burn your skin on a hot plate, sand bath, or hot glassware? Grit your teeth and bear it. Immerse the affected area in ice for 10 minutes. Hold the affected area under fast running cold water for 10 minutes. Hold the affected area under gently running cool water for 10 minutes