Abuur nooc ka mid ah weedhan oo aad u adag Ilo badan ayaa isku raacsan in hammerscale uu ka kooban yahay nooc ka mid ah birta oxide.
Dabcan, nooc ka mid ah jumlada ayaa ah "Ilo badan ayaa isku raacsan in hammerscale ay ka kooban tahay nooc ka mid ah birta birta ah, iyadoo magnetite ay tahay qaab guud ahaan la aqbalo, taas oo horseedaysa dabeecadda cajiibka ah ee hammerscale".