On February 16, 2012, the Polish coal mining company ... support manager for Cat plow systems, said, “The fact that Bogdanka uses arch supports makes the world record even more impressive.

The world’s No. 1 cobalt miner churned out a record volume of the metal in 2024, thanks to a speedy ramp-up of its giant mines in Africa. China’s CMOC Group Ltd. said Monday it produced ...