Is there a difference between tennis balls?

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5. Is there an itv4 plus 1 channel?
6. Are women's tennis balls different to men's?
7. How many seats does Wimbledon Number 1 have?
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Tags

1. #their
2. #regular
3. #withstand
4. #harder
5. #woven
6. #extra
7. #longer
8. #grass
9. #tennis
10. #treatment
11. #making
12. #doesn
13. #change
14. #resistant
15. #stain
16. #balls
17. #outdoor
18. #court
19. #courts
20. #meant
21. #color