What must never be worn while operating the power rolls?

Wearing gloves while operating power rolls is not recommended due to the potential for getting caught in moving parts. Safety equipment like gloves can reduce dexterity and grip, making it easier for an operator to lose control or not have a proper feel for the materials being handled. The risk of entanglement increases significantly when hands are covered, as gloves can snag on the machinery. Therefore, it is crucial to keep hands free of gloves to ensure safe operation.

In contrast, safety glasses, aprons, and ear protection serve to enhance safety rather than compromise it. Safety glasses protect the eyes from flying debris, aprons safeguard the body from sharp edges and heat, and ear protection helps mitigate the risk of noise-induced hearing loss. Each of these pieces of equipment contributes positively to workplace safety rather than posing a risk as gloves can when operating power rolls.