Iron absorption pfuma yemagnetite yakawanikwa kwenguva yakareba. Mumavhoriyamu mapfumbamwe eLu's spring uye Autumn Annals, pane chirevo: "kana iwe une mutsa zvakakwana kukwezva simbi, unogona kutungamirira kwairi." Panguva iyoyo, vanhu vakadana "magnetism" se "mutsa". Th...
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