There’s a wave of rising COVID cases across the country, so you may need to replenish your supply of face masks (and at-home COVID tests). The Centers for Disease Control and Prevention ...

N95 masks can be used safely and effectively by ordinary citizens on a daily basis to fight air pollution. They are also good for industrial workers and other persons who are revealing themselves ...

you should let the device heat for five minutes until it is at 347 °F before putting a towel in the pot to line the interior, as the heat could melt your mask otherwise. Stick your N95 respirator ...