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  2. Cleanroom - Wikipedia

    en.wikipedia.org/wiki/Cleanroom

    A cleanroom or clean room is an engineered space that maintains a very low concentration of airborne particulates. It is well isolated, well controlled from contamination , and actively cleansed. Such rooms are commonly needed for scientific research and in industrial production for all nanoscale processes, such as semiconductor manufacturing.

  3. Clean air delivery rate - Wikipedia

    en.wikipedia.org/wiki/Clean_Air_Delivery_Rate

    This recommendation is based on the assumption that the room will have air exchanged with other rooms at a rate of less than 1 room volume per hour, and that the customer desires at least 80% of the smoke particles removed from the air. For an 8-foot (2.4 m) high room, this means the room volume should be less than or equal to 12 times the CADR ...

  4. Semiconductor fabrication plant - Wikipedia

    en.wikipedia.org/wiki/Semiconductor_fabrication...

    In the microelectronics industry, a semiconductor fabrication plant, also called a fab or a foundry, is a factory where integrated circuits (ICs) are manufactured. [1]The cleanroom is where all fabrication takes place and contains the machinery for integrated circuit production such as steppers and/or scanners for photolithography, etching, cleaning, and doping.

  5. Air changes per hour - Wikipedia

    en.wikipedia.org/wiki/Air_changes_per_hour

    Air changes per hour, abbreviated ACPH or ACH, or air change rate is the number of times that the total air volume in a room or space is completely removed and replaced in an hour. If the air in the space is either uniform or perfectly mixed, air changes per hour is a measure of how many times the air within a defined space is replaced each hour.

  6. 2025 SAG Awards nominations revealed: See the full list ... - AOL

    www.aol.com/2025-sag-awards-nominations-revealed...

    That number jumps to seven for Best Actress, eight for Best Actor, nine for Best Supporting Actress, and is a clean sweep for Best Supporting Actor, with the SAG Awards and Oscars sharing all 10 ...

  7. 5 hacks to keep your room clean all the time! - AOL

    www.aol.com/lifestyle/2016-03-11-5-hacks-to-keep...

    Keeping a clean room is way easier said than done, but with these hacks, you'll get a little closer to feeling like you live in a Better Homes & Gardens catalog.

  8. Man Charged with Killing 2, Including Local Rapper, Outside ...

    www.aol.com/man-charged-killing-2-including...

    A man has been charged in connection with the double homicide outside a funeral reception in Brighton, Ala., that killed two men — including rapper Landlord Lo. James David Abercrombie, 27, was ...

  9. Common area maintenance charges - Wikipedia

    en.wikipedia.org/wiki/Common_area_maintenance...

    Each tenant pays their pro rata share of a property's total CAM charges, which prorated share is the percentage of the tenant's rented square footage of the total, rentable square footage of the property. A common example of a CAM item is the cost of cleaning the walkways in a shopping mall. It is assumed that every tenant benefits from a clean ...

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