Umphakeli we-Ethyl Cellulose- EC I-Ethyl cellulose iyi-polymer engancibiliki emanzini etholakala ku-cellulose, i-biopolymer yemvelo etholakala ezindongeni zamaseli ezitshalo. Isetshenziswa kabanzi ezimbonini ezahlukahlukene, kufaka phakathi ezemithi, ukudla, nokunakekelwa komuntu siqu, ngenxa yezakhiwo zayo ezihlukile, kufaka phakathi ukuncibilika, ifilimu-f...
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