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  2. Engineering drawing abbreviations and symbols - Wikipedia

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

    A general note applies generally and is not called out with flags. 2. Find number: "FN" meaning "find number" refers to the ordinal number that gives an ID tag to one of the constituents in a parts list (list of materials, bill of materials). Thus "fasten using FN7" refers to a fastener that is "find number" 7 in the list. FoS: feature of size

  3. Pattern (casting) - Wikipedia

    en.wikipedia.org/wiki/Pattern_(casting)

    A single piece pattern, or loose pattern, is the simplest. It is a replica of the desired casting—usually in a slightly larger size to offset the contraction of the intended metal. Gated patterns connect a number of loose patterns together with a series of runners that will be detached after shake-out.

  4. Solid modeling - Wikipedia

    en.wikipedia.org/wiki/Solid_modeling

    Solid modeling (or solid modelling) is a consistent set of principles for mathematical and computer modeling of three-dimensional shapes . Solid modeling is distinguished within the broader related areas of geometric modeling and computer graphics , such as 3D modeling , by its emphasis on physical fidelity. [ 1 ]

  5. Flowchart - Wikipedia

    en.wikipedia.org/wiki/Flowchart

    Similarly, in UML, a standard concept-modeling notation used in software development, the activity diagram, which is a type of flowchart, is just one of many different diagram types. Nassi-Shneiderman diagrams and Drakon-charts are an alternative notation for process flow.

  6. SOLID - Wikipedia

    en.wikipedia.org/wiki/SOLID

    In software programming, SOLID is a mnemonic acronym for five design principles intended to make object-oriented designs more understandable, flexible, and maintainable. Although the SOLID principles apply to any object-oriented design, they can also form a core philosophy for methodologies such as agile development or adaptive software ...

  7. Figure-ground diagram - Wikipedia

    en.wikipedia.org/wiki/Figure-ground_diagram

    The figure ground plan organizes the primary urban landscape components - plots, streets, constructed spaces, and open spaces [8] – into a diagram of solid and void; the proportions, of which, can be manipulated to create different urban morphologies. If building mass (solid poche) is greater than open space (void), spatial continuity is ...

  8. The real name for a single strand of spaghetti is baffling ...

    www.aol.com/lifestyle/2017-08-02-the-real-name...

    But the actual term for a single spaghetti noodle -- which is, by the way, "spaghetto" -- has quickly ignited the internet. The saga began when Twitter user Caroline Ramsey tweeted the definition ...

  9. Solid angle - Wikipedia

    en.wikipedia.org/wiki/Solid_angle

    The solid angle subtended at the corner of a cube (an octant) or spanned by a spherical octant is π /2 sr, one-eight of the solid angle of a sphere. [ 1 ] Solid angles can also be measured in square degrees (1 sr = ( 180/ π ) 2 square degrees), in square arc-minutes and square arc-seconds , or in fractions of the sphere (1 sr = ⁠ 1 / 4 π ...