Not known Facts About Phonnarong Lohakit
The steel was concluded by introducing carbon and manganese-not as simple as it sounds. In 1919 an open-hearth employee described the process in his diary: "You lift a large sack of coal to your shoulders, run to the white very hot steel in 100-ton ladle, need to get close enough devoid of burning your face off to hurl the sack, using every ounce o