Yawancin lokaci sun haɗa da kayan haɗi na magnetic (duba kayan maganadisu), allo na roba, gami da haɓakawa, bimetal na thermal, alloys na lantarki, allunan ajiya na hydrogen (duba kayan ajiya na hydrogen), gami da sifofin ƙwaƙwalwar ajiya, allo na magnetostrictive (duba kayan magnetostrictive), da sauransu. Bugu da kari, wasu sabbin al...
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