Top latest Five Phranarong Lohakit Ltd. Urban news
The steel was completed by adding carbon and manganese-not so simple as it Seems. In 1919 an open up-hearth worker explained the process in his diary: "You carry a big sack of coal in your shoulders, operate towards the white very hot steel in 100-ton ladle, must get near sufficient without having burning your facial area off to hurl the sack, maki