Gawo 1 - Cold working die steel Cold working die zitsulo zikuphatikizapo nkhungu zopangira nkhonya ndi kudula (kubisa ndi kukhomerera zisamere, zojambulajambula, nkhonya, lumo), nkhungu zozizira, zojambula zozizira, zopindika, zojambula ndi waya, etc. 1. Mikhalidwe yogwirira ntchito ndi magwiridwe antchito...
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