Isikhwama se-aluminium foil
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I-Aluminiyam yeFoil Ibhegi yokutywinwa kakuhle
Ezi mveliso zifanelekile kubungqina bokufuma, ubungqina obukhanyayo kunye nokupakishwa kwe-vacuum yezixhobo ezinkulu ezichanekileyo ezichanekileyo, iikhemikhali zezinto eziluhlaza kunye nabaphakathi bamayeza. Isakhiwo somaleko esine samkelwe, esinemisebenzi emihle yokuhlukana kwamanzi kunye ne-oxygen. Ngokungenamda, unokwenza ngokwezifiso iingxowa zokupakisha zeempawu ezahlukeneyo kunye nesitayile, kwaye unokwenziwa kwiingxowa ezisicaba, iibhegi ezinomacala amathathu, iingxowa zamalungu kunye nezinye izitayile.