diseases. Snugly fitting dust masks generally provide more protection than loose cloth masks, but less protection than respirators. Regulation Some Asian countries have regulations for dust-grade masks intended for everyday civilian use as opposed to occupational use. These include: China, GB/T 32610:2016 – masks for daily protection Dust masks have been certified by the United States Bureau of Mines since the 1930s. Since 1970, the Occupational Safety and Health Administration approves dust masks, called a "filtering facepiece" in NIOSH jargon. A filtering facepiece is considered a type of respirator, and an N95 mask is a filtering facepiece, too. See also Mechanical filter (respirator) Nose filter References External links Functional masks Safety clothing