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2. Rubber mask - Wikipedia

   en.wikipedia.org/wiki/Rubber_mask

   Latex is the most ubiquitous material for commercially available masks, due to it being a cheaper rubber making it a much more affordable material to produce. Similarly, the process for creating a latex mask is less complicated than that of a silicone mask. [9]

3. Sustainable packaging - Wikipedia

   en.wikipedia.org/wiki/Sustainable_packaging

   Energy efficiency, total energy content and usage, use of renewable energy, use of clean energy, etc. Recycled content – as available and functional. For food contact materials, there are special safety considerations, particularly for use of recycled plastics and paper. Regulations are published by each country or region.

4. Face masks during the COVID-19 pandemic - Wikipedia

   en.wikipedia.org/wiki/Face_masks_during_the...

   US Ambassador to Indonesia Sung Kim accompanied by local officials at the Presidential Palace wearing face masks amid the COVID-19 pandemic. During the COVID-19 pandemic, face masks or coverings, including N95, FFP2, surgical, and cloth masks, have been employed as public and personal health control measures against the spread of SARS-CoV-2, the virus that causes COVID-19.

5. Elastomeric respirator - Wikipedia

   en.wikipedia.org/wiki/Elastomeric_respirator

   Well-maintained elastomeric masks can last for years in industrial use. [5] Users may carry their respirator in a shoulderbag for accessibility. [5] [54] In construction, elastomeric masks are rarer than disposable mechanical filters; the disposable masks are preferentially issued because supervisors prefer to avoid cleaning and storage. [5]:

6. Recycling by material - Wikipedia

   en.wikipedia.org/wiki/Recycling_by_material

   Crushing concrete from an airfield Concrete recycling is the use of rubble from demolished concrete structures. Recycling is cheaper and more ecological than trucking rubble to a landfill. [3] Crushed rubble can be used for road gravel, revetments, retaining walls, landscaping gravel, or raw material for new concrete. Large pieces can be used ...

7. Cloth face mask - Wikipedia

   en.wikipedia.org/wiki/Cloth_face_mask

   A cloth face mask is a mask made of common textiles, usually cotton, worn over the mouth and nose.When more effective masks are not available, and when physical distancing is impossible, cloth face masks are recommended by public health agencies for disease "source control" in epidemic situations to protect others from virus laden droplets in infected mask wearers' breath, coughs, and sneezes.