1. regulate housing in; of certain areas of towns

2. a building dedicated to a particular activity

5. the organized action of making of goods and services for sale

7. a major social class or order of persons regarded collectively as part of the body politic of the country (especially in the United Kingdom) and formerly possessing distinct political rights

8. fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period

11. laying explosive mines in concealed places to destroy enemy personnel and equipment

3. a plant consisting of one or more buildings with facilities for manufacturing

4. of the kind or quality used in commerce; average or inferior

6. processing a photosensitive material in order to make an image visible

9. United States civil rights leader who refused to give up her seat on a bus to a white man in Montgomery (Alabama) and so triggered the national Civil Rights movement (born in 1913)

10. any piece of work that is undertaken or attempted

12. the commercial activity involved in repairing old structures or constructing new ones