What equipment would you use if you needed complete facial coverage while working?

The need for complete facial coverage while working aligns specifically with the use of a full-face shield. A full-face shield provides comprehensive protection for the entire face from hazards such as flying debris, chemical splashes, or intense heat. It is designed to cover not only the eyes but also the mouth and nose, ensuring that the face is safeguarded from various risks that might be encountered in hazardous environments.

Other options do not offer the same level of facial protection. For instance, a drift pin and a marline spike are tools used primarily for assembly or manipulating materials, lacking any protective features. Light wands might be used for signaling or illumination but do not provide any protection to the face. Therefore, the full-face shield is the optimal choice for ensuring complete facial coverage during tasks that present potential dangers.