Energetics, Natural Resources
- Electricity Supply, Equipment, Materials - 210
- Energetics - 160
- Environment Protection, Utilisation - 272
- Fertilisers, Mineral Materials - 124
- Forestry, Forest Technology - 755
- Fuel, Oil Products, Gas-station Equipment - 534
- Gas Supply, Equipment, Materials - 30
- Geology, Geological Research, Minerals - 263
- Heating Supply, Equipment, Materials - 564
- Planning, Cartography, Geodesy - 301
- Stone, Stone Processing - 395
- Water Supply, Equipment, Materials - 278
