Cov hluav taws xob conductivity ntawm graphite yog qhov zoo heev, tshaj ntau cov hlau thiab ntau pua lub sij hawm uas tsis yog hlau, yog li nws yog tsim rau hauv cov khoom siv xws li electrodes thiab carbon txhuam;
Lub luag haujlwm tshwj xeeb ntawm carbon txhuam
NdFeB hlau nplaum tam sim no yog cov hlau nplaum ruaj khov tshaj plaws.
Brushless motors tsuas yog siv lub ntiaj teb tsis tshua muaj NdFeB hlau nplaum nrog kev ua haujlwm siab,