Not known Facts About Phonnarong Lohakit
The steel was finished by adding carbon and manganese-not as simple as it Appears. In 1919 an open up-hearth employee described the method in his diary: "You raise a big sack of coal for your shoulders, run to the white incredibly hot steel in 100-ton ladle, ought to get close adequate devoid of burning your facial area off to hurl the sack, utiliz