5. Txheej tshuaj xyuas tom qab electroplating-X-ray zaj duab xis thickness ntsuas ntawm txheej thickness ntawm cov khoom tom qab electroplating
6. Sib sau ua tiav cov khoom soj ntsuam ntsuas-elasticity tester Test probe elasticity
7. Sib sau ua tiav cov khoom soj ntsuam ntsuas-elasticity tester los kuaj xyuas impedance thiab lub neej
8. Sib sau ua tiav cov khoom soj ntsuam ntsuas-cov duab ntsuas ob-dimensional ntsuas qhov ntsuas qhov ntev uas cim rau ntawm tag nrho cov khoom kos duab
9. Sib sau ua ke cov khoom tiav kev soj ntsuam ntsuas-ib lub koob yees duab golden los tshuaj xyuas qhov zoo li ntawm cov khoom tiav thiab seb qhov saum npoo yog du.