A chisel with a mushroom head should not be used because __________.

Correct Answer: Option A — pieces may fly off the chisel and injure your eyes

Mushroomed chisel heads are prone to brittle failure when struck. The resulting high-velocity metal fragments pose a severe risk of eye injury or lacerations. Maintaining tools in good condition is a core tenet of OSHA and USCG safety standards for preventing workplace accidents during shipboard maintenance.