Change the following phrases using adjective economic or economical: 1.a practical wife. 2. problems of economy. 3. a crisis in the field of economy. 4.to be careful in the spending of money. 5. reforms in the field of economy. 6. a law regulating the sphere of economics. 7. a plan of the industrial development of the country. 8. a small car that doesn`t use too much fuel. 9. gegraphy that studies the location of industries, markets and transport.