Sodium hydrosulfide 70% flakes, wotchedwanso sodium hydrosulphide kapena sodium sulfonate, ndi pawiri ntchito zosiyanasiyana mafakitale ntchito, kuphatikizapo zikopa processing, kupanga nsalu, ndi mankhwala madzi. Ngakhale kugwiritsidwa ntchito kwake kuli kochuluka, ndikofunikira kumvetsetsa chitetezo ...
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