Sassan famfo
-
Keɓance Simintin Zuba Jari / Madaidaicin Yankunan Famfu
The zuba jari casting tsari yana nufin yin samfuri tare da kakin zuma, nannade wani nau'i na kayan da aka gyara kamar yumbu a waje, dumama kakin don narke da gudana, ta yadda za a sami harsashi mara kyau wanda aka samo ta hanyar kayan da aka gyara, sannan a zuba karfen.a cikin fanko harsashi bayan narkewa.Bayan an sanyaya karfen, ana murƙushe kayan da ke jujjuyawa don samun ƙirar ƙarfe.Wannan tsari na sarrafa karafa ana kiransa simintin saka hannun jari, wanda kuma aka sani da simintin saka hannun jari ko simintin kakin zuma da ya ɓace.