Answer :
Final answer:
When grinding metal, a face shield is the most suitable protective gear to shield the face from metal particles and sparks.
Explanation:
Face protection is essential when grinding metal, as the process can release small particles and sparks that could injure the face and eyes. The most appropriate protective gear for this task is a face shield. A face shield covers the entire face and provides a clear barrier against particles, sparks, and other debris. Safety glasses or goggles can also be used for protection but may not offer the same level of coverage as a full face shield. Arc welding masks are specifically designed for welding and are not the best choice for grinding as they are too dark and restrictive for the visibility required during grinding. Therefore, the correct answer for what should be worn to protect the face from metal particles when grinding is d. Face shields.
