Ugu horreyntii, birta waxaa loola jeedaa walax fudud oo leh dhalaal iyo ductility, fududahay in la sameeyo koronto, wareejinta kulaylka iyo guryaha kale.Marka laga reebo meerkuriga, dhammaan maaddooyinka adag ee heerkulka qolka, sida dahabka, qalinka, naxaasta, birta, manganese, zinc, iwm. Etching, on the othe...
Akhri wax dheeraad ah