What type of protection is recommended when sanding materials?

When sanding materials, a dust mask or respirator is recommended because sanding generates fine particles and dust that can be harmful when inhaled. These particles can irritate the respiratory system and cause various health issues, especially with prolonged exposure. A dust mask or respirator is specifically designed to filter out these airborne particles, thereby protecting the lungs and ensuring a safer working environment.

While safety goggles, ear protection, and leather gloves are also important safety measures in various situations, they do not address the primary hazard associated with sanding, which is the inhalation of dust. Safety goggles protect the eyes from flying debris, ear protection shields against loud noise (which may or may not be a factor depending on the equipment used), and leather gloves can protect hands from abrasions. However, none of these directly mitigate the respiratory risks posed by inhaling sanding dust. Thus, a dust mask or respirator is the most critical protective gear when sanding.