hat
Pi bonè leman yo ferit yo jwenn nan peyi Lachin nan BC la syèk 4yèm, li se natirèl ferit Fe304. Kòm se byen li te ye, se konpa a lè l sèvi avèk ferit devlope pa moun Chinwa.
eng
The earliest ferrite magnets are found in China in the 4th century BC, it is natural ferrite Fe304. As is well-known, the compass using ferrite is developed by Chinese people.