bd#-02-i.01 - Choose the POLYGON option from the Menu Options Window. - Indicate in the highlighted box as the first corner of the selection polygon. Indicate position for polygon vertex (or RETURN to end) - Only the entities that were inside the selection polygon were selected. The system changed their color to yellow for this example. - bd#-02-i.02 - Choose the GROUP option from the Menu Options Window. Choose option - Choose the BY NAME option from the Menu Options Window. Choose option - There is a group already saved for you called SLOT1. Type this name on the Prompt Line and press . Enter group name (): slot1 - All the entities that were part of the group SLOT1 were selected. The system changed their color to yellow for this example. Choose option - bd#-02-i.03 - Choose the PLANE option from the Menu Options Window. Choose option - Choose the 2 LINES option from the Menu Options Window. Choose method for defining selection plane - Select the highlighted line as the first line for defining the plane. Select line indicating X axis line - Select the highlighted line as the second line for defining the plane. Select line indicating Y axis line - All of the entities that were on the inclined plane were selected. The system changed their color to yellow for this example. Choose option - bd#-02-i.04 - Choose the ALL DSP option from the Menu Options Window. Choose option - Choose the BY TYPE option from the Menu Options Window. Choose option - Choose the GEOM option to set the type of masking. Choose option - Choose the LINE option from the Menu Options Window. Choose item(s) to mask on (current = ) - Choose the DONE option to end the masking type selection. Choose item(s) to mask on (current = 2) - Because the mask was set to LINE, all lines were selected. The system changed their color to yellow for this example. Choose option - bd#-02-r.05 - bd#-02-i.06 -