public void Merge(DataBase other) { foreach (var item in other.Contaminants) { Contaminants.Add(item); } foreach (var item in other.TransshippingAreas) { TransshippingAreas.Add(item); } foreach (var item in other.ControlStations) { ControlStations.Add(item); } foreach (var item in other.Ports) { Ports.Add(item); } foreach (var item in other.EnvironmentalEquipments) { EnvironmentalEquipments.Add(item); } }