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  2. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    1. Center line, the central axis of a feature. 2. Class, for example, "paint per spec XYZ revision C type 1 class 2" may be abbreviated as "paint per spec XYZ REV C TY 1 CL 2" or even in some cases "paint per spec XYZ-C-1-2". (The latter practice is not uncommon but is cryptic for workers with minimal training and experience. The first two ...

  3. Blueprint - Wikipedia

    en.wikipedia.org/wiki/Blueprint

    A blueprint is a reproduction of a technical drawing or engineering drawing using a contact print process on light-sensitive sheets introduced by Sir John Herschel in 1842. [1] The process allowed rapid and accurate production of an unlimited number of copies.

  4. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    The identifications consist of up to 5 letters. The first identification letter is for the measured value, the second is a modifier, 3rd indicates passive/readout function, 4th - active/output function, and the 5th is the function modifier. This is followed by loop number, which is unique to that loop.

  5. AOL Mail - AOL Help

    help.aol.com/products/aol-webmail

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  6. US railroad Amtrak sets passenger record in 2024 - AOL

    www.aol.com/news/us-railroad-amtrak-sets...

    U.S. passenger railroad Amtrak said on Tuesday ridership topped 2019 pre-COVID levels for the first time in 2024 and reached a record high even with less capacity. Amtrak reported an adjusted ...

  7. China's Huawei Technologies seeks dismissal of US criminal ...

    www.aol.com/news/chinas-huawei-technologies...

    Huawei Technologies asked a U.S. judge to dismiss much of a federal indictment accusing the Chinese telecommunications company of trying to steal technology secrets from U.S. rivals and misleading ...

  8. Interleaved 2 of 5 - Wikipedia

    en.wikipedia.org/wiki/Interleaved_2_of_5

    Interleaved 2 of 5 (ITF) is a continuous two-width barcode symbology encoding digits. It is used commercially on 135 film , for ITF-14 barcodes, and on cartons of some products, while the products inside are labeled with UPC or EAN .

  9. Justice Department enters proposed consent decree over ... - AOL

    www.aol.com/justice-department-enters-proposed...

    The US Justice Department has entered a court-enforceable agreement with Georgia’s Fulton County over jail conditions that federal investigators have described as inhumane, violent and unsanitary.