![Masks / Air pollution / Visibility / Filters / Protective gear / Surgical mask / Haze / N95 / Respirator / Riau Masks / Air pollution / Visibility / Filters / Protective gear / Surgical mask / Haze / N95 / Respirator / Riau](https://www.pdfsearch.io/img/8eadc6f149197756e1f000b399bd659d.jpg) Date: 2015-06-15 04:18:28Masks Air pollution Visibility Filters Protective gear Surgical mask Haze N95 Respirator Riau | | pmhaze.org facebook.com/pmhaze Hotspot Investigation Project 2014 Report on 3M humanitarian aid of 9210 masks Location: Riau, Indonesia
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