[Shanxi Bureau of the State Administration of Mine Safety carries out "three Special Supervision" on non-Coal Mines on April 19, Shanxi Bureau of the State Administration of Mine Safety has learned from the Shanxi Bureau of the State Administration of Mine Safety that in view of the current safety risks in non-coal mines, on the basis of solidly carrying out comprehensive improvement of mine production safety, open-pit mining of metal and non-metallic mines, and open-pit mine safety. It is decided to carry out the "three special supervision" simultaneously in the second quarter. First, carry out special roof supervision. The second is to carry out special supervision on the special improvement of production safety in metal and non-metal mines. The third is to carry out special supervision before flood season.