GGU-STABILITY: "Enter nails manually" menu item

This menu item is identical to the "Geosynthetics", "Steel strips" and "Tension members" buttons that appear in the "Editor 1/Enter system parameters" menu item dialog box. It is integrated here for users comfort only.

You can find a description for the input of geosynthetics in Section “Geosynthetics" button”.

You can find a description for the input of stell strips in Section “Steel strips" button.

You can find a description for the input of tension members in Section “Tension” button.