What is the difference between upstream and downstream?

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Tags

1. #process
2. #contrast
3. #collected
4. #customer
5. #elements
6. #stage
7. #involves
8. #upstream
9. #downstream
10. #production
11. #materials
12. #product
13. #between
14. #finished
15. #because
16. #service
17. #bridge
18. #during
19. #processing
20. #final