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Bangkok smog: Stuff common face masks with tissue to filter tiny dust particles PM2.5, Thai research finds

January 17, 2019 11:49 AM

BANGKOK (THE NATION/ASIA NEWS NETWORK) – As high-quality face masks to protect users against dangerous smog are in short supply, research found that common facemasks with several levels of additional tissue papers or a folded handkerchief inside may suffice to protect Bangkok residents from small airborne dust particles.

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