NdFeB Material ndi maginito amphamvu omwe amagwiritsidwa ntchito m'madera ambiri. Tikamagwiritsa ntchito mankhwalawa, tonsefe timafuna kuzigwiritsa ntchito kwa nthawi yayitali. Koma, chifukwa ndi mtundu wazitsulo zachitsulo, zimachita dzimbiri ndi nthawi, makamaka zikagwiritsidwa ntchito muzinthu zonyowa, mwachitsanzo, doko, nyanja, ndi zina zotero. Pafupi ndi...
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