Kukho iindlela ezininzi eziqhelekileyo zokucoca iglasi, ezinokuthi zishwankathelwe njengokucoca i-solvent, ukufudumeza kunye nokucoca i-radiation, ukucocwa kwe-ultrasonic, ukucoca ukukhutshwa, njl. Ukucoca i-solvent yindlela eqhelekileyo, esebenzisa amanzi...
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