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  2. Engineering drawing abbreviations and symbols - Wikipedia

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

    The issuance of a drawing from the engineering/design activity to the production activity. In other words, the event when a draft becomes a completed, official document. A stamp on the drawing saying "ISSUED" documents that RTP has occurred. RTV: room-temperature vulcanizing; return to vendor: 1. RTV sealants, a way to seal joints. 2.

  3. ISO 13567 - Wikipedia

    en.wikipedia.org/wiki/ISO_13567

    Agent responsible (clause 6.1) (2 characters, indicating the person or organisation responsible for the layer information—manufacturer, A- architect A2 architect#2 on the same project B- building surveyors C- civil engineers E- electrical engineers F- facility engineers G- GIS engineers and land surveyors H- heating and ventilating engineers I- interior designers L- landscape architects Q ...

  4. 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.

  5. Engineering drawing symbols - Wikipedia

    en.wikipedia.org/?title=Engineering_drawing...

    Cite this page; Get shortened URL; Download QR code; Print/export Download as PDF; Printable version; In other projects ... Engineering drawing abbreviations and symbols;

  6. Engineering drawing - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing

    An engineering drawing is a type of technical drawing that is used to convey information about an object. A common use is to specify the geometry necessary for the construction of a component and is called a detail drawing.

  7. ISO 128 - Wikipedia

    en.wikipedia.org/wiki/ISO_128

    ISO 7083:1983 Technical drawingsSymbols for geometrical tolerancing — Proportions and dimensions; ISO 7200:2004 Technical product documentation — Data fields in title blocks and document headers; ISO 7437:1990 Technical drawings — Construction drawings — General rules for execution of production drawings for prefabricated ...

  8. Dividing line between metals and nonmetals - Wikipedia

    en.wikipedia.org/wiki/Dividing_line_between...

    This line has been called the amphoteric line, [2] the metal-nonmetal line, [3] the metalloid line, [4] [5] the semimetal line, [6] or the staircase. [2] [n 1] While it has also been called the Zintl border [8] or the Zintl line [9] [10] these terms instead refer to a vertical line sometimes drawn between groups 13 and 14.

  9. 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). These dimensions may also be used for convenience to ...