1. Kub plated pinhole, muaj zog hluav taws xob conductivity
2. Kev tiv thaiv me me, tiv thaiv kev oxidation.
3. Lub roj hmab tseem ceeb tiv taus kub siab, hluav taws kub retardant, zoo nkauj thiab ruaj khov.
-1. Cov khoom siv ntse hnav tau: lub moos ntse, lub kauj tes ntse, tsom iav ntse, lub mloog pob ntseg Bluetooth, thiab lwm yam.
-2.3C Cov khoom siv rau cov neeg siv khoom: ntsiav tshuaj, xauv hluav taws xob, tsheb fais fab. Xov tooj ntawm tes. Xov tooj them hluav taws xob, thiab lwm yam.
-3. Kev lag luam kho mob: cov khoom siv kho mob, cov khoom siv zoo nkauj, cov cuab yeej pab hnov lus, sphygmomanometer, lub plawv dhia saib xyuas, lub tshuab hluav taws xob tuav tes, thiab lwm yam.
-4. Cov khoom siv ntse: cov neeg hlau ntse, cov khoom siv tes ua, drones, cov khoom siv tsheb, thiab lwm yam