Dr Satoshi Akima FRACP 『秋間聰』 on X: "Coal miners wear respirators. The PAPR by @cleanspacehc is identical to the one I wear on COVID duty to mitigate bioaerosol hazards. Will miners have
Half-mask respirators prevent the spread of silicosis among SA miners
Full-Face Respirator Mask Gas-Masks Survival Nuclear Hong Kong | Ubuy