N'ọhịa nke ụlọ, ọfịs na ihe egwuregwu, ọtụtụ ndọta dị n'ọtụtụ ebe iji jide ma hazie ihe nke ọma ma mepụta anyị ntụrụndụ. Na kichin na ụlọ nkwakọba ihe, a na-eji magnet ọwa ma ọ bụ magnet mee ihe iji jide kichin na ngwaọrụ. Enwere ike iji magnetik kpuchie akuku aquarium iko ya nke oma. Na shop ma ọ bụ ụlọ ahịa nko magnet na-eji kpọgidere ọkọlọtọ, wdg. Ọfịs ma ọ bụ ụlọ akwụkwọ, magnetik aha baajji na-eji kpọgide aha mkpado na uwe, na yi push pin magnet ma ọ bụ acha nko magnet na-ejide ma na-amata ihe mfe. Igwe ndọta azụ na-arụ ọrụ dị ka ihe egwuregwu ụmụaka na-ewu ewu na njem ịchụ nta akụ n'èzí.