O le a le HEMC? O le Hydroxyethyl Methylcellulose (HEMC) o le cellulose ether derivative lea e masani ona faʻaaogaina e avea o se vailaʻau mafiafia, faʻamautu, ma vai faʻapipiʻi faʻapipiʻi i pisinisi eseese, aemaise lava i le fausiaina, vailaʻau, ma mea tau tausiga a le tagata lava ia. E tutusa ma le Hydroxypropyl Methyl...
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