Ụlọ & Ụlọ ọrụ & Egwuregwu ụmụaka

N'ọhịa nke ụlọ, ụlọ ọrụ na ihe egwuregwu ụmụaka, ọtụtụngwaahịa magneta na-achọta n'ọtụtụ ebe iji jide na hazie ihe nke ọma ma mepụta ntụrụndụ nye anyị. N'ime kichin na ụlọ nkwakọba ihe, a na-eji magnetik ọwa ma ọ bụ ite magnet iji jide ngwa kichin na ngwaọrụ. Enwere ike iji magnet mkpuchi plastik hichaa akwarium iko nke ọma. N'ụlọ ahịa ma ọ bụ nnukwu ụlọ ahịa nko magnet ka a na-ekokwasị ọkọlọtọ, wdg. N'ụlọ ọrụ ma ọ bụ ụlọ akwụkwọ, a na-eji akara aha magnetik na uwe ahụ, a na-ejikwa magnet push pin mara mma ma ọ bụ magnet na-acha agba iji jide ma mata. ihe dị mfe. Ịkụ azụ na-arụ ọrụ dị ka ihe egwuregwu ụmụaka na-ewu ewu na njem ịchụ nta akụ n'èzí.