✅ Aralin 12: Grupo ng MODIFY – Erase, Move, Copy, Mirror
✅ Aralin 13: Grupo ng MODIFY – Offset, Trim, Extrim, Scale, Rotate
✅ Aralin 14: Grupo ng MODIFY – Stretch, Edit Polyline, Edit Spline
✅ Aralin 15: Grupo ng MODIFY – Extend, Explode, Fillet, Chamfer
✅ Aralin 16: Grupo ng MODIFY – Break, Join, Align, Array