5 Simple Techniques For Phonnarong Lohakit
The steel was finished by incorporating carbon and manganese-not so simple as it sounds. In 1919 an open up-hearth employee explained the method in his diary: "You raise a large sack of coal for your shoulders, run towards the white scorching steel in 100-ton ladle, ought to get near adequate with out burning your deal with off to hurl the sack, em