Umkhiqizi womazibuthe weminyaka engama-30—Singakwazi ukwenza ngendlela oyifisayo omazibuthe bobumo obuhlukahlukene ngezinto ezihlukene, omazibuthe be-NdFeB ababoshiwe, omazibuthe be-Neodymium, omazibuthe be-SmCo, omagnethi beFerrit, omagnet be-AlNiCo, omagnethi berabha.