P95 and N95 are rating classifiers for masks manufactured to keep people from inhaling dust and other small particles in unsafe environments.

Fine dust that you can’t see lurks in the air inside any heavily used workshop, and it does serious damage to your lungs over time. Not all dust is equal: Silica, metal, wood, and fibrous dust carry ...

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Rising dust levels in Delhi-NCR due to strong western winds can affect respiratory health. Pulmonologist Dr Anshuman Rajkhowa warns that prolonged exposure to fine dust particles may trigger ...