14. Trade, weights and measures, the issue of paper money, banking, and stock and produce exchanges;
15. Commerce in foodstuffs and in other necessaries of daily life, and in luxuries;
16. Industry and mining;
17. Insurance;
18. Ocean navigation, and deep-sea and coast fisheries;
19. Railroads, internal navigation, communication by power-driven vehicles on land, on sea, and in the air; the construction of highways, in so far as pertains to general intercommunication and the national defence;
20. Theatres and cinematographs.
ARTICLE 8
The Commonwealth also has jurisdiction over taxation and other sources of income, in so far as they may be claimed in whole or in part for its purposes. If the Commonwealth claims any source of revenue which formerly belonged to the States, it must have consideration for the financial requirements of the States.