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A process flow diagram (PFD) is a diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment. The PFD displays the relationship between major equipment of a plant facility and does not show minor details such as piping details and designations.
National History Day is a non-profit which aims to "improve the teaching and learning of history." Its flagship event is an annual competition in which students in grades 6-12 develop presentations about topics in history that interest them. [ 1 ]
There are two types of computer-aided design systems used for the production of technical drawings: two dimensions (2D) and three dimensions (3D). An example of a drawing drafted in AutoCAD. 2D CAD systems such as AutoCAD or MicroStation replace the paper drawing discipline. The lines, circles, arcs, and curves are created within the software.
Note that layout for a production system reflects a conceived organisation of resources to achieve a certain goal, besides satisfying certain space constraints. In manufacturing engineering, process layout is a design for the floor plan of a plant which aims to improve efficiency by arranging equipment according to its function. [1]
For process plants, identifiable sections (nodes) are chosen so that for each a meaningful design intent can be specified [citation needed]. They are commonly indicated on piping and instrumentation diagrams (P&IDs) and process flow diagrams (PFDs). P&IDs in particular are the foremost reference document for conducting a HAZOP.
Whiteprint describes a document reproduction produced by using the diazo chemical process. [1] It is also known as the blue-line process since the result is blue lines on a white background. It is a contact printing process that accurately reproduces the original in size, but cannot reproduce continuous tones or colors.
Document processing is a field of research and a set of production processes aimed at making an analog document digital. Document processing does not simply aim to photograph or scan a document to obtain a digital image, but also to make it digitally intelligible.