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Izinti zokunamathisela ezishisayo
Induku yokuncibilikisa eshisayo i-opaque emhlophe (uhlobo oluqinile), engeyona enobuthi, elula ukusebenza, ayikho i-carbonization ekusebenziseni okuqhubekayo. Inezimpawu zokunamathela okusheshayo, amandla aphezulu, ukumelana nokuguga, ukungabi nobuthi, ukuzinza okuhle kokushisa, nobulukhuni befilimu. Ukuma kuyinduku futhi kuyimbudumbudu.
