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1.1. METALLAR VA ULARNING HOSSALARI HAQIDA MA’LUMOT………………………………………………………………. 5 II. CHO’YAN ISHLAB CHIQARISH…………………………………… 10 2.1. CHO’YAN ISHLAB CHIQARISH RUDALARI……………............ 10 2.2. DOMNA PECHINING TUZILISHI VA YORDAMCHI QURILMALAR............................................................................................. 11 2.2.1.Domna pechining tuzilishi................................................................... 11 2.2.2. Domna pechining yordamchi qurilmalari........................................ 13 2.2.3. Domna pechini ishga tushirish va unda sodir bo’ladigan jarayonlar...................................................................................................... 16 2.3. DOMNA PECHINING MAHSULOTLARI VA ULARNI KO’RSATKICHLARI.................................................................................. 19 III. PO'LAT ISHLAB CHIQARISH……………………………………...