Fasahar simintin ƙarfe mai daraja tsari ne na dumama da narkar da kayan ƙarfe masu daraja kamar zinariya, azurfa, platinum, palladium da sauransu, a cikin ruwa, sannan a zuba su cikin gyaɗa ko wasu nau'ikan don ƙirƙirar abubuwa daban-daban. Ana amfani da wannan fasaha sosai wajen yin kayan ado, tare da ...
Kara karantawa