Special group of Global commands allow with a single click: 1. To define a Selection Set as 'Previous' for following operations. 2. To erase all objects with the same properties as selected single object. (object type, color, layer and linetype are considered) 3. To change properties of Selection Set, according to selected property or according to selected sample object. 4. To scale all Selection Set objects. (each object stays at its place - insertion point is not changed) 5. To rotate all Selection Set objects according to defined (by clicking two points) direction. (each object stays at its place - insertion point is not changed) Illustrated HTML Help included. This program is also the part of Atoll Land Surface application. Platform: expected to work properly with any AutoCAD or IntelliCAD version. Fill free to download the program demo and to test it with your CAD platform.