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  2. Rusk (hair care) - Wikipedia

    en.wikipedia.org/wiki/Rusk_(hair_care)

    An assortment of Rusk-brand hair and beauty products on a store shelf. Rusk is a brand of hair care products and devices designed for hair salons. The brands products are sold in several markets of the world most notably in North America and Europe. It was founded by the couple, Irvine and Louise Rusk.

  3. Diffuser - Wikipedia

    en.wikipedia.org/wiki/Diffuser

    Diffuser (hair), a blowdryer attachment that diffuses heat as it dries the hair; Diffuser (heat), a cooking item that is placed above a heating element to separate the cooking utensil from the heat source; Diffuser (optics), a device that spreads out or scatters light; Diffuser (sewage), an aerating device for sewage and industrial waste water ...

  4. Heat diffuser - Wikipedia

    en.wikipedia.org/wiki/Heat_diffuser

    A heat diffuser on the stove. Cooking portal; A heat diffuser, flame tamer, or simmering plate (UK) is a cooking utensil that is placed on top of a burner on a cooktop to separate the cooking pot or pan from the direct source of heat, making the heat more gentle and even.

  5. Diffuser (thermodynamics) - Wikipedia

    en.wikipedia.org/wiki/Diffuser_(thermodynamics)

    For as-cataloged diffuser performance, a straight section of duct needs serve a diffuser. An elbow, or kinked flex duct, just before a diffuser often leads to poor air distribution and increased noise. Diffusers can be as a shape of round, rectangular, or can be as linear slot diffusers (LSDs).

  6. Diffuser (sewage) - Wikipedia

    en.wikipedia.org/wiki/Diffuser_(sewage)

    An air diffuser or membrane diffuser is an aeration device typically in the shape of a disc, tube or plate, which is used to transfer air and with that oxygen into the sewage or industrial wastewater. Oxygen is required by microorganisms/bacteria residents in the water to break down the pollutants.

  7. Fine bubble diffusers - Wikipedia

    en.wikipedia.org/wiki/Fine_bubble_diffusers

    Fine bubble diffusers have largely replaced coarse bubble diffusers and mechanical aerators in most of the developed world and in much of the developing world. The exception would be in secondary treatment phases, such as activated sludge processing tanks, where 85 to 90 percent of any remaining solid materials (floating on the surface) are ...

  8. NOAA Weather Radio - Wikipedia

    en.wikipedia.org/wiki/NOAA_Weather_Radio

    In the wake of the 1965 Palm Sunday tornado outbreak, one of the key recommendations from the U.S. Weather Bureau's storm survey team, was the establishment of a nationwide radio network that could be used to broadcast weather warnings to the general public, hospitals, key institutions, news media, schools, and the public safety community.

  9. Ammonium persulfate - Wikipedia

    en.wikipedia.org/wiki/Ammonium_persulfate

    Ammonium persulfate is prepared by electrolysis of a cold concentrated solution of either ammonium sulfate or ammonium bisulfate in sulfuric acid at a high current density. [2] [3] The method was first described by Hugh Marshall.