Brushless motors tsuas yog siv lub ntiaj teb tsis tshua muaj NdFeB hlau nplaum nrog kev ua haujlwm siab,
NdFeB tau dav siv nyob rau hauv ntau yam teb, xws li neeg hlau, muaj motors, khoom siv hauv tsev, earphones, thiab lwm yam.
Taw qhia rau cov qauv, kev faib tawm thiab kev ua haujlwm ntawm lub cev muaj zog carbon txhuam