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  2. Piping and instrumentation diagram - Wikipedia

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

    A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process. In the process industry, a standard set of symbols is used to prepare drawings of processes.

  3. Isometric projection - Wikipedia

    en.wikipedia.org/wiki/Isometric_projection

    Isometric graph paper can be placed under a normal piece of drawing paper to help achieve the effect without calculation. In a similar way, an isometric view can be obtained in a 3D scene. Starting with the camera aligned parallel to the floor and aligned to the coordinate axes, it is first rotated horizontally (around the vertical axis) by ± ...

  4. 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.

  5. Multiview orthographic projection - Wikipedia

    en.wikipedia.org/wiki/Multiview_orthographic...

    A section, or cross-section, is a view of a 3-dimensional object from the position of a plane through the object. A section is a common method of depicting the internal arrangement of a 3-dimensional object in two dimensions. It is often used in technical drawing and is traditionally crosshatched. The style of crosshatching often indicates the ...

  6. Plumbing drawing - Wikipedia

    en.wikipedia.org/wiki/Plumbing_drawing

    A plumbing drawing, a type of technical drawing, shows the system of piping for fresh water going into the building and waste going out, both solid and liquid. It also includes fuel gas drawings. Mainly plumbing drawing consist of water supply system drawings, drainage system drawings, irrigation system drawings, storm water system drawings.

  7. Axonometric projection - Wikipedia

    en.wikipedia.org/wiki/Axonometric_projection

    [2] [3] Typically in axonometric drawing, as in other types of pictorials, one axis of space is shown to be vertical. In isometric projection , the most commonly used form of axonometric projection in engineering drawing, [ 4 ] the direction of viewing is such that the three axes of space appear equally foreshortened , and there is a common ...

  8. Engineering drawing - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing

    "Isometric" comes from the Greek for "same measure". One of the things that makes isometric drawings so attractive is the ease with which 60° angles can be constructed with only a compass and straightedge. Isometric projection is a type of axonometric projection. The other two types of axonometric projection are: Dimetric projection

  9. William Farish (chemist) - Wikipedia

    en.wikipedia.org/wiki/William_Farish_(chemist)

    In order to explain how these models were to be assembled he had developed a drawing technique, which he called "Isometrical Perspective". [ 12 ] Although the concept of an isometric had existed in a rough way for centuries, William Farish is generally regarded as the first to provide rules for isometric drawing . [ 13 ]