Hydroxypropyl methylcellulose (HPMC) o se semi-synthetic, vai-soluble polymer e maua mai cellulose.E faʻaaogaina lautele i pisinisi eseese, e aofia ai vailaʻau, meaʻai, fausiaina, ma mea faʻalelei, ona o ona uiga faʻapitoa e pei o le mafiafia, fusifusia, faia o ata, ma le faʻamautuina.H...
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