Prunggu

Prunggu silih tunggil logam paduan kautama malakar saking temaga, ketah kacampuh sawatara 12-12,5% timah miwah wénten sané kawewehin logam liyanan (sekadi aluminium, mangan, nikel utawi séng) taler wénten non-logam utawi métaloid minakadi arsenik, phosfor utawi silikon.


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