Kukho iintlobo ezininzi zee-inki ezisetyenziswa kushicilelo lwedijithali, njenge-inki esebenzayo, i-ink ye-asidi, i-inki yokuchitha, njl., kodwa kungakhathaliseki ukuba luhlobo luni lwe-inki olusetyenziswayo, kukho iimfuno zokusingqongileyo, ezifana nokufuma, ubushushu, uthuli. -indawo ekhululekileyo, njl., Ke zithini iimfuno zokusingqongileyo ...
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