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