Na-agụnyekarị ihe ndọta magnetik (lee ihe ndọta), ihe na-agbanwe agbanwe, mgbatị mgbasa ozi, bimetals thermal, eletriki eletrik, ihe nchekwa nchekwa hydrogen (lee ihe nchekwa hydrogen), ihe nchekwa ebe nchekwa ihe, magnetostrictive alloys (lee ihe magnetostrictive), wdg.Na mgbakwunye, ụfọdụ ọhụrụ al...
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