Can a failing hard drive be fixed?

Related questions

1. How do I check the health of my hard drive?
2. How do I check for bad sectors?
3. How long does it take to format a 2tb hard drive?
4. How do I test my Mac hardware?
5. What causes SSD to fail?
6. Does Apple do free diagnostics?
7. Does low level format fix bad sectors?
8. Which is better chkdsk R or F?
9. How do I fix a corrupted SSD?
10. Can corrupted hard drive be fixed?

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