Ka dib marka calaamadaha la sameeyo, ma daneeyaan sababta.Dhab ahaantii, fikraddaani waa khalad.Inta badan calaamaduhu waxay leeyihiin alaabada birta ah sida bronze, copper cas, iron, zinc alloy, iwm., laakiin waxaa jiri doona oxidation, xirashada, daxalka, iwm. ee alaabta birta ah.Marka laga hadlayo calaamado qurxoon oo n...
Akhri wax dheeraad ah