What are the 4 types of industry?

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Tags

1. #there
2. #types
3. #tertiary
4. #making
5. #steel
6. #farming
7. #involves
8. #getting
9. #primary
10. #quaternary
11. #fishing
12. #secondary
13. #these
14. #industry
15. #manufacturing
16. #mining
17. #materials