Foornada heerkulka sare waa qalab gaar ah oo loogu talagalay in ay u adkeyso heerkulka aadka u daran iyo bixinta jawi kuleyliyaha la xakameeyey ee hababka warshadaha kala duwan. Waxay fududeeyaan u beddelka alaabta ceeriin ee alaabta dhammaatay oo leh sifooyin farsamo oo la xoojiyey iyo hufnaanta qaabdhismeedka oo la hagaajiyey.
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1200°C – 1800°C foornada tuubada toosan ee kala qaybsan – foornada tuubada heerkul sare
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1600.C 1700.C foornada korontada dhalaalaysa
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650 °C - 1300 °C foornada tuubada aagagga badan ee heerkulka sare
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Foornada dhalaalida dhalaalaysa
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Foornada Frit ee dhalada- Heerkul Sare oo dhalaalay Foornada Frit
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Foornada Roogga Dhalada
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Foornada shaaha shaaha shaaha
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Foalsho Foorno Foorno 1600.C