11 Coal, Lignite, Peat
12 Crude Petroleum, Natural Gas
13 Uranium, Thorium Ores
17 Electricity, Town Gas, Steam, Hot Water
18 Natural Water
11 Coal, Lignite, Peat
12 Crude Petroleum, Natural Gas
13 Uranium, Thorium Ores
17 Electricity, Town Gas, Steam, Hot Water
18 Natural Water