Gypsum Hand Plaster ke eng? Gypsum hand plaster ke thepa ea kaho e sebelisetsoang ho qeta marako a ka hare. Ke motsoako oa gypsum, aggregates, le li-additives tse ling, 'me li sebelisoa ka letsoho ke basebetsi ba nang le tsebo ba sebelisang lisebelisoa tsa matsoho. Plaster e koloteloa holim'a lebota, e etsa hore ho be le boreleli ...
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