Dab tsi yog kev siv ntawmmanganese hlau ntawv?
Manganese flakes feem ntau paub rau lawv siv hauv cov hlau alloying thiab ntxiv cov khoom ntxiv rau cov hlau uas xav tau manganese. Nws tuaj yeem ua alloyed nrog lwm cov hlau xws li txhuas, antimony lossis tooj liab los tsim cov ntaub ntawv ferromagnetic heev.
