... ovens, computers, calculators, telephones, electronic and toys . One.Piezo Ceramic Element Applications1. For sound making:Clocks,Calculators,Telephones,Washing machines ... Notions:1,Please do not touch the component with bare hand because electrode may be corroded.2,The component may ... the center of the diaphragm may cause cracking in the ceramic elements .When the diaphragm is supported by the edge ...