Spreading slag
Posco Chairman Choi Jeong-woo, second from right, spreads slag-based silicate fertilizer, which the company says improves soil quality and crop productivity, in Gwangyang, South Jeolla, on Wednesday. Steel slag is a by-product of steel. [POSCO]
with the Korea JoongAng Daily
To write comments, please log in to one of the accounts.
Standards Board Policy (0/250자)