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Allis-Chalmers was a U.S. manufacturer of machinery for various industries. Its business lines included agricultural equipment, construction equipment, power generation and power transmission equipment, and machinery for use in industrial settings such as factories, flour mills, sawmills, textile mills, steel mills, refineries, mines, and ore ...
Aboriginal-Australian Fellowship, a Sydney-based Indigenous rights organisation, 1956−1969. Alliance of American Football, a defunct 2019 United States professional American football league. Amateur Athletic Foundation, the former name of the LA84 Foundation, a Los Angeles-based nonprofit. American Advertising Federation, a U.S. trade ...
An N95 respirator is a disposable filtering facepiece respirator or reusable elastomeric filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 classification of air filtration, meaning that it filters at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 micrometers [1] under 42 CFR Part 84, effective July 10, 1995. [2]
Typically, a tech will blow the drain out with compressed air. But you can use a vacuum to suck it out the other end. Stangoni suggests using a vacuum both preventatively and as a fix after a clog ...
A particulate air filter is a device composed of fibrous, or porous materials which removes particulates such as smoke, dust, pollen, mold, viruses and bacteria from the air. Filters containing an adsorbent or catalyst such as charcoal (carbon) may also remove odors and gaseous pollutants such as volatile organic compounds or ozone. [ 1]
HEPA (/ ˈ h ɛ p ə /, high-efficiency particulate air) filter, [1] also known as high-efficiency particulate absorbing filter [citation needed] and high-efficiency particulate arrestance filter, [2] is an efficiency standard of air filters. [3] Filters meeting the HEPA standard must satisfy certain levels of efficiency.
The NIOSH air filtration rating is the U.S. National Institute for Occupational Safety and Health (NIOSH)'s classification of filtering respirators. The ratings describe the ability of the device to protect the wearer from solid and liquid particulates in the air. The certification and approval process for respiratory protective devices is ...
A cigarette filter, also known as a filter tip, is a component of a cigarette, along with cigarette paper, capsules and adhesives. Filters were introduced in the early 1950s. [ 3] Filters may be made from plastic cellulose acetate fiber, paper or activated charcoal (either as a cavity filter or embedded into the plastic cellulose acetate fibers).