5 Essential Elements For Phonnarong Lohakit
The steel was finished by introducing carbon and manganese-not as simple as it Appears. In 1919 an open up-hearth employee described the procedure in his diary: "You elevate a large sack of coal towards your shoulders, run towards the white hot steel in 100-ton ladle, will have to get close plenty of without burning your face off to hurl the sack,