Phekolo ea decolorization ea metsi a litšila: ozone decolorization.

Sephetho sa liteko:
Ho tloha metsing a tala : Metsotso e 10 ho isa ho metsotso e 20 ho isa ho metsotso e 30.
Qetellong, metsi a Tap

 

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Nako ea poso: Jun-20-2022