Which PPE component protects mucous membranes?

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Protecting mucous membranes requires covering the eyes and the airways. Mucous membranes are the moist tissues lining the eyes (conjunctiva), the nose, the mouth, and the respiratory tract, and they’re common entry points for hazardous agents. Eye protection such as goggles or a face shield blocks droplets from reaching the eyes, while respiratory protection like a mask or respirator filters inhaled air and protects the nose and mouth. Gloves and an apron shield the skin and clothing but don’t seal off mucous membranes. Relying on respiratory protection alone leaves the eyes exposed to splashes, and relying on gloves or an apron alone leaves mucous membranes unprotected. Therefore, combining eye protection with respiratory protection provides the necessary coverage of mucous membranes.