Opanga ma valve aku China: Ubwino ndi luso momwe mungapindulire makasitomala apadziko lonse lapansi?
Ndi chitukuko chofulumira chamakampani apadziko lonse lapansi, kufunikira kwa ma valve, zida zofunika kwambiri zamafakitale, kukukulirakulira. Mwa iwo, wopanga ma valve kuchokera ku Tianjin, China, ndi luso lake labwino kwambiri komanso luso lazopangapanga, watulukira padziko lonse lapansi ...
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