How many seared bricks do I need for a smeltery?

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Tags

1. #controller
2. #least
3. #either
4. #furnace
5. #single
6. #construct
7. #bricks
8. #brick
9. #smeltery
10. #multi
11. #confused
12. #glass
13. #window
14. #block
15. #requiring
16. #tiered
17. #seared
18. #blocks