Why is it called a boilerplate?

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Tags

1. #because
2. #these
3. #looked
4. #language
5. #press
6. #printing
7. #presses
8. #print
9. #standard
10. #boilerplate
11. #enough
12. #constantly
13. #repeated
14. #workers
15. #started
16. #would
17. #since
18. #boilers
19. #plates
20. #called