Ma Iulai 3, 2022, hana maʻamau ʻo Haiyuan, ka nānā ʻana i ka hana wehe ʻana i ka formaldehyde, ka hana maʻamau o ka waiʻona propargyl a me 1,4 butynediol i hoʻopau ʻia, a me ka nānā ʻana i ka hale hana i loko o ke keʻena kikowaena....
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