Tijaabada Adagaanshaha Dhuumaha ee Tooska ah
Matoorka hawada adag ee mashruuca tijaabinta khadka tooska ah ee tuubada hawada iyadoo la adeegsanayo tijaabiyaha qallafsanaanta tooska ah ee Rockwell.
Tijaabada qalafsanaanta oo dhan tijaabiyaha Rockwell hardness tester, Brinell adkaanta tijaabiyaha, Vickers adag tijaabiyaha
