Using the CADCourse interface in TurboCAD 2018 with AutoCAD aliases
У вашего броузера проблема в совместимости с HTML5
A preview of training material that can be obtained from http://www.commandcad.com/products/products.htm
his training guide is a combination of PDF and movie files showing how to make the most out of the CADCourse interface that can be found in all derivatives of TurboCAD 2018.