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  2. Direct part marking - Wikipedia

    en.wikipedia.org/wiki/Direct_Part_Marking

    Direct part marking (DPM) is a process to permanently mark parts with product information including serial numbers, part numbers, date codes, and barcodes. This is done to allow the tracking of parts through the full life cycle .

  3. MIL-STD-130 - Wikipedia

    en.wikipedia.org/wiki/MIL-STD-130

    Data Matrix Symbol: There are a number of protocols that can be used for measuring the print quality of a data matrix symbol, at the supplier's discretion. This includes ISO/IEC 15415, AIM DPM-1-2006, or SAE AS9132. If a data matrix symbol is ever found to be erroneous, unreadable, or otherwise unacceptable, two diagonal lines should be used to ...

  4. Disruptive Pattern Material - Wikipedia

    en.wikipedia.org/wiki/Disruptive_Pattern_Material

    Disruptive Pattern Material (DPM) is the commonly used name of a camouflage pattern used by the British Armed Forces as well as many other armed forces worldwide, particularly in former British colonies. The main variants of DPM are a four-colour woodland pattern, and desert patterns in two, three or four colours.

  5. Engineering drawing abbreviations and symbols - Wikipedia

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

    Technical standards exist to provide glossaries of abbreviations, acronyms, and symbols that may be found on engineering drawings. Many corporations have such standards, which define some terms and symbols specific to them; on the national and international level, ASME standard Y14.38 [1] is one of the standards. Australia utilises the ...

  6. List of gear nomenclature - Wikipedia

    en.wikipedia.org/wiki/List_of_gear_nomenclature

    Total face width is the actual dimension of a gear blank including the portion that exceeds the effective face width, or as in double helical gears where the total face width includes any distance or gap separating right hand and left hand helices. For a cylindrical gear, effective face width is the portion that contacts the mating teeth.

  7. Reference dimension - Wikipedia

    en.wikipedia.org/wiki/Reference_Dimension

    A reference dimension is a dimension on an engineering drawing provided for information only. [1] Reference dimensions are provided for a variety of reasons and are often an accumulation of other dimensions that are defined elsewhere [2] (e.g. on the drawing or other related documentation).

  8. Thin space - Wikipedia

    en.wikipedia.org/wiki/Thin_space

    In all versions of LibreOffice and in some of Microsoft Word, the special characters and symbols dialog (often available via Insert > Symbol or Insert > Special Characters), has both the thin space and the narrow no-break space available for point-and-click insertion. In LibreOffice's Symbol dialog, there is an easy-to-find box field to narrow ...

  9. List of medical abbreviations: D - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    DPM: Doctor of Podiatric Medicine: DPT: diphtheria-pertussis-tetanus (DPT vaccine) DRE: Digital Rectal ExaminationDilated Retinal Exam DRPLA: Dentatorubral-Pallidoluysian Atrophy: DRT: dead right there DS: disease Down syndrome (trisomy 21) diopters sphere DSA: digital subtraction angiography Donor specific antibody: DSD: differences of sex ...