Marka loo eego hababka wax soo saarka ee kala duwan, waxaa loo qaybin karaa irbad wareeg ah oo la dareemay iyo irbad la afuufay;Sida laga soo xigtay noocyada kala duwan ee alaabta ceeriin iyo qaaciidooyinka, waxaa loo qaybin karaa: nooca caadiga ah (STD), nooca daahirsanaanta sare (HP), nooca aluminium sare (HA), nooca aluminium zirconium, nooca caadiga ah ...
Akhri wax dheeraad ah