עבודות אלומיניום
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כיצד מפיקים אלומיניום?
אלומיניום מופק ממחצבי בוקסיט, מינרל טבעי שמכיל מספר סוגים של אלומיניום. רוב מחצבי הבוקסיט מסוגלים להפיק אלומיניום באמצעות תהליך באייר, שהוא סינון כימי. כדי להביא את האלומיניום, החומר הגולמי לכדי שימוש, יש לזקוק אותו ולשם כך דרוש כמויות חשמל גדולות. זו אחת הסיבות שבגינן ממחזרים אלומיניום.