Consider two companies that extract coal of identical quality.

It pumps oil, digs up iron and extracts coal on five continents and has more than 120,000 staff.

A few miners are still extracting coal from the mines.

However, a spokeswoman for the safety agency said that audio tapes prove that the miners were extracting coal that day, thus violating the ban.

And after called compagnie des mines started to extract coals in 1833.