the main food area in the capitol
power
Livestock
Textiles
Power
Transportation
fishing
Luxury goods
Coal mining
mining in the mountain the nut
It is what the capital has that district do for its small economy. The industry for the Capital differs from each district. One, district 1, mines coal, while 11 does agriculture, and of course 12 mines coal.
They are transportation, although it is never mentioned directly.
Its industries were mining graphite and nuclear science/technology.