Question: How to change the light bulb on the lamp when needed?

  Options: 
 A. Use your hand to unscrew the lightbulb and dispose of the lightbulb immediately into general trash, the input a new bulb into the lamp
 B. Use a glove and unscrew the lightbulb and dispose of once cooled into recyclable trash, then input a new bulb while the lamp switch is off
Answer: B