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  2. FreeCAD - Wikipedia

    en.wikipedia.org/wiki/FreeCAD

    The FreeCAD 1.0 version includes several new features, such as the new assembly workbench; fixes for many bugs, including the topological naming problem; unification and correction of many workbenches; very diverse changes and improvements in the user interface and user experience (UI/UX); [20] and a new logo, chosen from five finalists of the ...

  3. Piping and instrumentation diagram - Wikipedia

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

    Piping and instrumentation diagram of pump with storage tank. Symbols according to EN ISO 10628 and EN 62424. A more complex example of a P&ID. 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.

  4. Banjo fitting - Wikipedia

    en.wikipedia.org/wiki/Banjo_fitting

    The name stems from the shape of the fitting, having a large circular section connected to a thinner pipe, generally similar to the shape of a banjo. [1] Two banjo fittings (upper center of photo) atop automotive brake calipers. The copper crush washer in the gap between the fitting and body of the caliper completes the seal.

  5. Prewar Gibson banjo - Wikipedia

    en.wikipedia.org/wiki/Prewar_Gibson_banjo

    They are differentiated from later Gibson banjos by their scarcity. Banjo sales plummeted during the Great Depression, for lack of buyers, and metal parts became scarce into the 1940s as factories shifted to support the war. [1] As parts became scarce, non-standard versions came out, made from a variety of leftover parts, called floor sweep ...

  6. Pumplinx - Wikipedia

    en.wikipedia.org/wiki/Pumplinx

    PumpLinx is a 3-D computational fluid dynamics (CFD) software developed for the analysis of fluid pumps, motors, compressors, valves, propellers, hydraulic systems, and other fluid devices with rotating or sliding components.

  7. Centrifugal pump - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_pump

    This pump type operates without a foot valve and without an evacuation device on the suction side. The pump has to be primed with the fluid to be handled prior to commissioning. Two-phase mixture is pumped until the suction line has been evacuated and the fluid level has been pushed into the front suction intake chamber by atmospheric pressure.

  8. Clawhammer - Wikipedia

    en.wikipedia.org/wiki/Clawhammer

    Given that the banjo was the folk instrument of African Americans before its wider spread, the clawhammer would thus be a descendant style of o’teck and related West African techniques. Although much traditional clawhammer banjo playing is highly rhythmic, it typically includes elements of melody, harmony, rhythm and percussion.

  9. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    In parts of Britain and Ireland, it was often called the parish pump. Though such community pumps are no longer common, people still used the expression parish pump to describe a place or forum where matters of local interest are discussed. [3] Because water from pitcher pumps is drawn directly from the soil, it is more prone to contamination.