Tili ndi zida zamakono kwambiri. Zogulitsa zathu zimatumizidwa ku USA, UK ndi zina zotero, ndipo makasitomala athu ali ndi mbiri yabwino kwambiri chifukwa cha Sodium Sulfide 50% ndi 60% yogwiritsidwa ntchito m'mafakitale ku China. Tsopano takhazikitsa mgwirizano wokhazikika komanso wautali wa mabizinesi ang'onoang'ono ndi ogula ochokera ku North America, Western Europe, Africa, South America, mayiko ndi madera opitilira 60.
Tili ndi zida zamakono kwambiri. Zogulitsa zathu zimatumizidwa ku USA, UK ndi zina zotero, ndipo makasitomala athu ali ndi mbiri yabwino kwambiri. Tikukhazikitsa ubale wamalonda wa nthawi yayitali komanso wopindulitsa ndi makasitomala athu onse, kugawana kupambana ndikusangalala ndi chisangalalo chofalitsa katundu wathu padziko lonse lapansi pamodzi. Tikhulupirireni ndipo mudzapeza zambiri. Chonde musazengereze kulankhulana nafe kuti mudziwe zambiri, tikukutsimikizirani kuti nthawi zonse mudzalandira chisamaliro chabwino.













Gawo VI: Kusamalira Zadzidzidzi Zotuluka Mwadzidzidzi
6.1 Kuyankha Mwadzidzidzi kwa Sodium Sulfide: Patulani malo oipitsidwawo ndikuletsa anthu kulowa. Ogwira ntchito zadzidzidzi ayenera kuvala zophimba fumbi kumaso konse ndi zovala zosagwira asidi/alkali. Lowani pamalopo kuchokera ku mphepo.
Kutaya madzi pang'ono kwa Sodium Sulfide: Pewani kukweza fumbi. Sonkhanitsani zinthu ndi fosholo yoyera ndikuziyika mu chidebe chouma, choyera, komanso chophimbidwa. Kapena, tsukani ndi madzi ambiri ndikuchepetsa madzi otuluka musanatulutse madzi otayira.