Roman Empire ke time mein paani ke pipes kis material se bante the? ποΈπ§ Option: Copper (Tamba), Iron (Loha), Lead (Sisa), Bronze (Kansa)
Roman Empire ke time mein paani ke pipes kis material se bante the? ποΈπ§
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In mein se kaun sa lead (seesa) ka characteristic nahi hai? π§ͺπ€
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Kaun sa desh copper ka sabse bada consumer hai, jo global demand ka ek bada hissa use karta hai? ππ
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Steel industry ke liye future demand mein sabse bada challenge kya hai? ππ§
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Automobile manufacturing mein istemal hone wali kaun si dhatu ki price fluctuations se automakers ke gross margin pe kaafi asar pad sakta hai? ππ§
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Duniya bhar mein har insaan average kitna steel use karta hai? πποΈ
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