Nsalu zodumphira pansi, zomwe zimadziwikanso kuti diving, ndi mtundu wa thovu lopangidwa ndi labala, losakhwima, lofewa komanso lotanuka.Mawonekedwe ndi kuchuluka kwa ntchito: kukana kwanyengo yabwino, kukana kukalamba kwa ozoni, kuzimitsa nokha, kukana mafuta abwino, chachiwiri ku rabara ya nitrile, kulimba kwamphamvu kwambiri ...
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