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  2. .dwg - Wikipedia

    en.wikipedia.org/wiki/.dwg

    DWG (from drawing) is a proprietary [ 3] binary file format used for storing two- and three- dimensional design data and metadata. It is the native format for several CAD packages including DraftSight, AutoCAD, ZWCAD, IntelliCAD (and its variants), Caddie and Open Design Alliance compliant applications.

  3. LibreCAD - Wikipedia

    en.wikipedia.org/wiki/LibreCAD

    LibreCAD. LibreCAD is a computer-aided design (CAD) application for 2D design. It is free and open-source, and available for Unix / Linux, macOS, and Windows operating systems. [ 2][ 3] Most of the interface and handle concepts are analogous to AutoCAD, making it easier to use for users with experience in this type of commercial CAD application.

  4. FreeCAD - Wikipedia

    en.wikipedia.org/wiki/FreeCAD

    freecad.org. Interior of 3D house. Arduino board imported from Eagle PCB software. FreeCAD is a general-purpose parametric 3D computer-aided design (CAD) modeler and a building information modeling (BIM) software application with finite element method (FEM) support. [ 2]

  5. Second-degree atrioventricular block - Wikipedia

    en.wikipedia.org/wiki/Second-degree_atrio...

    Avoidance of AV-nodal-blocking medication, pacemaker. Second-degree atrioventricular block (AV block) is a disease of the electrical conduction system of the heart. It is a conduction block between the atria and ventricles. The presence of second-degree AV block is diagnosed when one or more (but not all) of the atrial impulses fail to conduct ...

  6. Worcester library parties on at annual community block ... - AOL

    www.aol.com/worcester-library-parties-annual...

    The block party, which began at 11:30 a.m. and was scheduled to run until 3:30 p.m., was taking place less than two days after a patron struck a library staff member with a skateboard at the main ...

  7. SolidWorks - Wikipedia

    en.wikipedia.org/wiki/SolidWorks

    SolidWorks (stylized as SOLIDWORKS) is a brand within Dassault Systèmes that develops and markets solid modeling computer-aided design, computer-aided engineering, 3D CAD design and collaboration, analysis, and product data management software. [ 2]

  8. AutoCAD - Wikipedia

    en.wikipedia.org/wiki/AutoCAD

    AutoCAD supports a number of APIs for customization and automation. These include AutoLISP, Visual LISP, VBA, .NET and ObjectARX. ObjectARX is a C++ class library, which was also the base for: products extending AutoCAD functionality to specific fields; creating products such as AutoCAD Architecture, AutoCAD Electrical, AutoCAD Civil 3D

  9. Atrioventricular block - Wikipedia

    en.wikipedia.org/wiki/Atrioventricular_block

    Atrioventricular block. Atrioventricular block ( AV block) is a type of heart block that occurs when the electrical signal traveling from the atria, or the upper chambers of the heart, to ventricles, or the lower chambers of the heart, is impaired. Normally, the sinoatrial node (SA node) produces an electrical signal to control the heart rate.