Fabric filters, or baghouses, have been used to capture particulate from combustion processes for more than 50 years. They grew popular in the power generation industry in the 1970s after the first ...
Paper towels, coffee filters, cloth and other materials can be used for homemade coronavirus face masks during the pandemic. But which are most effective? A study of homemade face masks by ...
The Ahmedabad Textile Industrys Research Association in collaboration with the Defence Research and Development Organisation has produced a high quality cloth to make masks of 99 per cent filter ...
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