銀(The intermediate level of service allocated to a case. The service contract a customer purchases determines the service level for its associated cases)
silver A very ductile malleable brilliant greyish-white element having the highest electrical and thermal conductivity of any metal. It occurs free and in argentite and other ores: used in jewellery, tableware, coinage, electrical contacts, and in electroplating. Its compounds are used in photography['sɪlvə]n
