Can welders wear half-mask respirators beneath a special welding hood?

Welders can indeed wear half-mask respirators beneath a special welding hood, which is why the first option is considered correct. The combination of a half-mask respirator and a welding hood can provide enhanced respiratory protection while also safeguarding the face and eyes from the hazards associated with welding, such as sparks and UV radiation.

It's important for welders to ensure that the respirators they use are suitable for their specific welding tasks, as certain materials and fumes generated during the welding process can be harmful. When using a half-mask respirator, it's crucial that there is a proper fit to maintain an effective seal against airborne contaminants.

While other options suggest limitations or recommendations that may not fully accommodate a welder's safety needs, this understanding promotes the idea that, with the right equipment and care, both types of protection can work in tandem.