Can a BA silver card holder take a guest into the lounge?

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Tags

1. #guest
2. #scheduled
3. #flights
4. #capacity
5. #airways
6. #partners
7. #emerald
8. #silver
9. #flight
10. #oneworld
11. #executive
12. #subject
13. #sapphire
14. #operated
15. #invite
16. #members
17. #british
18. #departure
19. #single
20. #welcome
21. #lounge
22. #member
23. #access
24. #restrictions