Roman Empire ke time mein paani ke pipes kis material se bante the? πŸ›οΈπŸ’§ Option: Copper (Tamba), Iron (Loha), Lead (Sisa), Bronze (Kansa)

Roman Empire ke time mein paani ke pipes kis material se bante the? πŸ›οΈπŸ’§

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In mein se kaun sa lead (seesa) ka characteristic nahi hai? πŸ§ͺπŸ€”

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Kaun sa desh copper ka sabse bada consumer hai, jo global demand ka ek bada hissa use karta hai? 🏭🌍

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Steel industry ke liye future demand mein sabse bada challenge kya hai? πŸ­πŸ”§

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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? πŸš—πŸ”§

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Duniya bhar mein har insaan average kitna steel use karta hai? πŸŒπŸ—οΈ

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