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  2. Optical Character Recognition (Unicode block) - Wikipedia

    en.wikipedia.org/wiki/Optical_Character...

    A partly redacted German cheque, showing use of ⑂, ⑀ and ⑁ in the machine-readable line. The OCR-A subheading contains six characters taken from the OCR-A font described in the ISO 1073-1:1976 standard: U+2440 ⑀ OCR HOOK, U+2441 ⑁ OCR CHAIR, U+2442 ⑂ OCR FORK, U+2443 ⑃ OCR INVERTED FORK, U+2444 ⑄ OCR BELT BUCKLE, and U+2445 ⑅ OCR BOW TIE.

  3. Block Elements - Wikipedia

    en.wikipedia.org/wiki/Block_Elements

    Block Elements is a Unicode block containing square block symbols of various fill and shading. Used along with block elements are box-drawing characters , shade characters, and terminal graphic characters.

  4. Box-drawing characters - Wikipedia

    en.wikipedia.org/wiki/Box-drawing_characters

    Some recent embedded systems also use proprietary character sets, usually extensions to ISO 8859 character sets, which include box-drawing characters or other special symbols. Other types of box-drawing characters are block elements , shade characters, and terminal graphic characters; these can be used for filling regions of the screen and ...

  5. Engineering drawing abbreviations and symbols - Wikipedia

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

    The [main] field of the drawing, as opposed to other areas of it, such as the parts list , general notes (G/N), flagnotes , title block , rev block , bill of materials (B/M or BoM or BOM), or list of materials . Rationales for drawing changes that are noted in the rev block often use these abbreviations for brevity (e.g., "DIM 14.00 was 12.50 ...

  6. Unicode block - Wikipedia

    en.wikipedia.org/wiki/Unicode_block

    A Unicode block is one of several contiguous ranges of numeric character codes (code points) of the Unicode character set that are defined by the Unicode Consortium for administrative and documentation purposes. Typically, proposals such as the addition of new glyphs are discussed and evaluated by considering the relevant block or blocks as a ...

  7. Miscellaneous Technical - Wikipedia

    en.wikipedia.org/wiki/Miscellaneous_Technical

    Miscellaneous Technical is a Unicode block ranging from U+2300 to U+23FF. It contains various common symbols which are related to and used in the various technical, programming language, and academic professions.

  8. Lift every chair and swing: Why folding chairs are the symbol ...

    www.aol.com/lift-every-chair-swing-why-154445792...

    The post Lift every chair and swing: Why folding chairs are the symbol of the season appeared first on TheGrio. As more and more videos of the “Alabama brawl” surface, folding chairs have ...

  9. CAD standards - Wikipedia

    en.wikipedia.org/wiki/CAD_standards

    ASME Y14.41-2012 is based upon ASME Y14.5-2009 symbols and definition methods, such as Geometry Dimensioning and Tolerancing (GD&T). Subscribers of International Organization for Standardization (ISO) have the standards ISO 1101 and ISO 16792 for model-based definition.