5 Simple Techniques For Phornnarong Lohakit
The steel was finished by adding carbon and manganese-not as simple as it sounds. In 1919 an open up-hearth employee described the procedure in his diary: "You carry a large sack of coal on your shoulders, run in the direction of the white hot steel in 100-ton ladle, need to get near plenty of without burning your encounter off to hurl the sack, ap