Sodium sulfide ili ndi ngozi, koma m'makampani osindikizira ndi opaka utoto, makampani opanga nsalu ndi gawo lofunikira, zabwino ndi zoyipa, zilibe kanthu kuchita bwino kapena zida zabwino, zidzakhala ndi zovuta zawo, sodium sulfide ndizosiyana, zimawononga, pakugwiritsa ntchito tsiku ndi tsiku, ...
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