Pali njira zosiyanasiyana zoponyera, zomwe zikuphatikizapo: Die casting; Aluminiyamu kufa kuponyera, Investment kuponyera, Mchenga kuponyera, Lost-thovu kuponyera, Anataya sera kuponyera, Permanent nkhungu kuponyera, Rapid prototype kuponyera, Centrifugal kuponyera, kapena roto kuponyera. Mfundo yogwirira ntchito (magawo atatu) Mtundu wotsogola ...
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