Hpmc paʻu i le fausiaina Faʻaaogaina o le hydroxypropyl methylcellulose HPMC i mea faufale: 1 sima-faʻavae gypsum ⑴ Faʻaleleia le tutusa, faʻafaigofie le faʻapipiʻiina i luga o le trowel, ma i le taimi lava e tasi e faʻaleleia le faʻatinoga o le anti-sag, faʻaleleia le suavai ma pamu, ma...
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