Imithi, imikhiqizo ukunakekelwa siqu, ugwayi, ukudla kanye isiphuzo emaphaketheni, utshwala, imikhiqizo yobisi, izingubo izesekeli, lesikhumba, zikagesi, izinto zokwakha zamakhemikhali nezinye izimboni. Can uqophe non-metal ne-ingxenye metal. Kabanzi ukudla emabhokisini isiphuzo emaphaketheni, ...
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