IHydroxypropyl methylcellulose (HPMC) iyi-polymer eguquguqukayo evame ukusetshenziswa ezimbonini ezahlukahlukene, kufaka phakathi izimboni zemithi, zokudla nezokunakekela umuntu. Kumithi yokuxubha, ama-HPMC anika imisebenzi ehlukahlukene ebalulekile esiza ukuthuthukisa ukusebenza, ukuzinza, nolwazi lomsebenzisi...
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