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GNU LibreDWG is a software library programmed in C to manage DWG computer files, native proprietary format of computer-aided design software AutoCAD. It aims to be a free software replacement for the OpenDWG libraries. The project is managed by the Free Software Foundation (FSF).
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.. 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.
Open Design Alliance is a nonprofit organization creating software development kits (SDKs) for engineering applications. ODA offers interoperability tools for CAD, BIM, and Mechanical industries including .dwg, .dxf, .dgn, Autodesk Revit, Autodesk Navisworks, and .ifc files and additional tools for visualization, web development, 3D PDF publishing and modeling.
FreeCAD is a free and open-source application that can work with the DWG files by using the proprietary ODA File Converter for .dwg and .dxf files from the Open Design Alliance (ODA). [55] The ODA also provides a freeware stand-alone viewer for .dwg and .dgn files, ODA Drawings Explorer, which runs on Windows, Linux, and Mac OS X.
A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.
Toilet rim blocks are marketed as disinfectants and deodorizers, while allegedly also helping to prevent the buildup of limescale in the toilet bowl.. The composition of toilet blocks can vary, but they may contain (among other components): borax (an ingredient of many detergents), hydroxyethylcellulose (a gelling agent), troclosene sodium (a disinfectant), sodium dodecylbenzenesulfonate (a ...
Free Download Manager: 2003 2007 GPL-3.0-only: Free since version 2.5 [48] FoundationDB: 2013 2018 Apache-2.0: Apple Inc. acquired the founding company in March 2015 and discontinued downloads of the software. [49] In April 2018, Apple open-sourced the database and resumed downloads. [50] Game-Maker: 1991 2014 MIT
In the US, an infamous case was the murder of a 9-year-old boy in 1998 in a San Diego county public toilet. [107] Increasing public toilet provision can help to protect women from violent attacks. [108] Research studies have found increased risk of women and girls being raped where there is limited or no access to safe toilets at night. [109 ...