Energetics, Natural Resources
- Electricity Supply, Equipment, Materials - 206
- Energetics - 160
- Environment Protection, Utilisation - 271
- Fertilisers, Mineral Materials - 123
- Forestry, Forest Technology - 757
- Fuel, Oil Products, Gas-station Equipment - 535
- Gas Supply, Equipment, Materials - 30
- Geology, Geological Research, Minerals - 263
- Heating Supply, Equipment, Materials - 565
- Planning, Cartography, Geodesy - 301
- Stone, Stone Processing - 401
- Water Supply, Equipment, Materials - 280
