The destroy item on the Game menu is used when you have to destroy a factory, railway or infrastructure. If you destroy a factory it means that you no longer will not be able to buy/produce <l:ha_equipment> in that area. It can be necessary to destroy a factory, railway and infrastructure in an area if the enemy is about to conquer it to prevent him from getting production capacity, railway or income. You destroy the following way:
1. Open the area window.
2. Select the factory, railway or infrastructure icon.
2. Choose Destroy on the menu.
3. The factory, railway or infrastructure is destroyed.