Aila, these factory gyan... Hall-Heroult uses big carbon electrodes and cryolite to melt alumina, pulling out aluminium like drawing water from a stubborn well. But they don’t tell you the fumes, the heat that sits in your lungs forever—my cough still tastes of that shed. For me, extraction was never about clean metal; it was the price my body paid, while the management drank cool water in their offices.
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