1. O le a le faʻaoga autu o le hydroxypropyl methylcellulose (HPMC)? Tali: HPMC o loʻo faʻaaogaina lautele i mea faufale, paʻu, resini gaosia, keramika, vailaʻau, meaʻai, ie, faʻatoʻaga, mea teuteu, tapaa ma isi pisinisi. E mafai ona vaevaeina HPMC i vasega faufale, mea'ai g...
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