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  2. IEC 61355 - Wikipedia

    en.wikipedia.org/wiki/IEC_61355

    The document kind classification code consists of three code-letters A1, A2, A3, with the prefix "&". A1 Letter code for technical area class; A2 Letter code for main class; A3 Letter code for sub-class; The letter code A1 is optional, if all documents are from the same technical area. The letter codes A2 and A3 are identical for all technical ...

  3. Template:Technical drawings - Wikipedia

    en.wikipedia.org/wiki/Template:Technical_drawings

    Download QR code; Print/export Download as PDF; ... ANSI/ASME Y14.1; RU: ... 3D projection; Template documentation. This template uses TemplateStyles: Template ...

  4. Letter (paper size) - Wikipedia

    en.wikipedia.org/wiki/Letter_(paper_size)

    The precise origins of the dimensions of US letter-size paper (8.5 × 11 in) are not known. The American Forest & Paper Association says that the standard US dimensions have their origin in the days of manual papermaking, the 11-inch length of the standard paper being about a quarter of "the average maximum stretch of an experienced vatman's arms". [2]

  5. ANSI/ASME Y14.1 - Wikipedia

    en.wikipedia.org/wiki/ANSI/ASME_Y14.1

    In 1992, the American National Standards Institute adopted ANSI/ASME Y14.1 Decimal Inch Drawing Sheet Size and Format, [1] which defined a regular series of paper sizes based upon the de facto standard 8 + 1 ⁄ 2 in × 11 in "letter" size to which it assigned the designation "ANSI A". This series also includes "ledger"/"tabloid" as "ANSI B".

  6. Engineering drawing abbreviations and symbols - Wikipedia

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

    A letter v (Latin small letter v) written on a line representing a surface is a way to indicate that the surface is to be machined rather than left in the as-cast or as-forged state. The older symbol for this was a small script (italic) f (see herein f). Later the ASA convened upon a letter V (specifically a sans-serif V) touching the surface ...

  7. Technical lettering - Wikipedia

    en.wikipedia.org/wiki/Technical_lettering

    Technical lettering is the process of forming letters, numerals, and other characters in technical drawing. It is used to describe, or provide detailed specifications for, an object. It is used to describe, or provide detailed specifications for, an object.

  8. ANSI character set - Wikipedia

    en.wikipedia.org/wiki/ANSI_character_set

    The phrase ANSI character set has no well-defined meaning and has been used to refer to the following, among other things: Windows code pages , a collection of 8-bit character sets compatible with ASCII but incompatible with each other, especially those code pages that are partly compatible with ISO-8859, most commonly Windows Latin 1

  9. List of document markup languages - Wikipedia

    en.wikipedia.org/wiki/List_of_document_markup...

    Computable Document Format - used for interactive technical documents. ConTeXt – a modular, structured formatting language based on TeX. Darwin Information Typing Architecture (DITA) - modular open free format for technical and specialized documents. DocBook – format for technical (but not only) manuals and documentation.