Answer: A. Looking into the end of a fiber optic cable.
Explanation: Explanation: Never look into a fiber optic cable or any other possible source of laser light. Laser light can damage your eyes and even cause blindness. When working on a computer, you should use a grounding strap to protect the component from ESD damage. Using a computer without a surge protector could end to damage of the computer, but doesn't have any effect on your personal safety. Ejecting an Optical disc with a paperclip is an acceptable way to remove a disc if the drive door wont open.