District 1- Luxury (Great comfort or living)
District 2- Masonry/Stonework(not said officially in books, but later revealed.)
District 3- Electronics
District 4- Fishing
District 5- Power (not said officially in books, but later revealed.)
District 6- Transportation (not said officially in books, but later revealed.)
District 7- Lumber (Type of wood)
District 8- Textiles (Manufacture of cloth or woven fabric)
District 9- Grain
District 10- Livestock (Farm animals kept for use or profit)
District 11- Agriculture (The science or practice of farming)
District 12- Coal Mining