hpmc powder kahong Kopo ea hydroxypropyl methylcellulose HPMC linthong tsa moaho: 1 gypsum e thehiloeng ho samente ⑴ Ntlafatsa ho ts'oana, etsa hore ho be bonolo hore samente e sebelisoe holim'a trowel, 'me ka nako e ts'oanang e ntlafatse ts'ebetso ea anti-sag, e ntlafatse metsi le metsi. ho pompa, le...
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