Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!
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Free ventilation area required for an attic - loft - areas:
Design of systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more.
Dimensions of PE pipes based on controlled outside diameter.
Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!
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