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Despite their names, both cast iron and wrought iron are actually alloys, meaning they contain certain amounts of other materials in addition to iron. Cast iron is usually 2 to 4% carbon and contains small amounts of silicon, manganese and occasionally sulfur and phosphorus. Cast iron is made either by smelting iron ore or pig iron (an intermediate iron ore product) then mixing it with carbon and other metal alloys.
On the other hand, the wheel, an ancient invention that has revolutionized transportation and industry, embodies motion, progress, and continuity. It signifies the relentless cycle of life, the ceaseless of time, and the dynamic nature of existence. From the wheels of a cart to the gears of a clock, the wheel is a testament to humanity's ability to adapt, innovate, and move forward. It speaks of the circularity of life, the ebb and flow of events, and the constant evolution that defines our journey It speaks of the circularity of life, the ebb and flow of events, and the constant evolution that defines our journey
It speaks of the circularity of life, the ebb and flow of events, and the constant evolution that defines our journey It speaks of the circularity of life, the ebb and flow of events, and the constant evolution that defines our journey
gate wheel .

