2-BOB. TABIIY TOSH MATERIALLAR
1-§. Tog’ jinslarining tarkib topishi va tavsifi Error: Reference source not found
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2-§. Qurilishda ishlatiladigan tog’ jinslari Error: Reference source not found
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3-BOB. SOPOL MATERIALLAR
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1-§. Gillar turlari va xossalari Error: Reference source not found
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2-§. Sopol materiallar ishlab chiqarish uchun xom ashyolar, sopol materiallar va buyumlar ishlab chiqarish Error: Reference source not found
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3-§. Devorbop sopol materiallar va buyumlar Error: Reference source not found
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4-§. Qoplama va sopol materiallar Error: Reference source not found
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5-§. Maxsus sopol materiallar va buyumlarError: Reference source not found
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6-§. G’ovakli sopol to’ldirgichlar. Error: Reference source not found
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4-BOB. SHISHA VA SHISHAKRISTALL MATERIALLAR
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1-§. SHisha haqida asosiy ma’lumotlar Error: Reference source not found
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2-§. List (taxta) oyna Error: Reference source not found
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3-§. SHishadan yasaladigan buyumlar Error: Reference source not found
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