Waa maxay Beddelka Chromate Dahaarka/Alodine/Filimka Kiimikada?Waqtiga la akhriyo 3 daqiiqo Hordhac Daahan beddelka Chromate sidoo kale loo yaqaan daahan alodine ama filimka Chem, waa nooc ka mid ah daahan beddelka loo isticmaalo in lagu dhaafo aluminium, xaaladaha qaarkood birta, zinc, cadmium, copper, silver, titanium, magnesiu...
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