Hydroxypropyl methylcellulose (HPMC) o se polymer versatile lautele faʻaaogaina i alamanuia e pei o vailaʻau, meaʻai, ma le fausiaina. O lona fa'atinoga e fesuisuia'i e fa'atatau i ona togi, lea e 'ese'ese i fa'amaufa'ailoga e pei o le viscosity, tikeri o le suitulaga, lapo'a, ma le mama. Malamalama pe faʻafefea...
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