ʻO ke kolu o ka hanauna o ka honua paʻa mau loa, ʻo Neodymium magnets ka mea ikaika loa i hana ʻia ma ke kālepa.ʻO Neodymium arc magnet, ka mea i kapa ʻia ʻo Neodymium curved magnet, he ʻano kūʻokoʻa o Neodymium magnet, a laila kokoke pau nā Neodymium arc magnet i hoʻohana ʻia no ka rotor a me ka stator i nā kaʻa mau loa (PM), nā mea hana, a i ʻole nā mea hoʻohui magnetic.
ʻO nā mākēneki Neodymium lron Boron (NdFeB) kekahi ʻano o ka honua laha ʻole magnet i mahalo nui ʻia no kāna mau waiwai magnetic. loaʻa nā magnets.a hoʻohana mau ʻia i nā ʻano ākea nā noi, mai nā kaʻa uila a i nā mea nani.