The "backbone" of the industry. Huge potash deposits in the Urals and oil/gas processing in the Volga region ( Kazan , Nizhnekamsk ).
For a visual reference of a completed map, platforms like Pinterest often host shared student work for the Drofa or Prosveshcheniye editions. The "backbone" of the industry
Label the Volga and Kama rivers, as water supply is a critical factor for chemical plant placement. The "backbone" of the industry