The incident was attributed to improper handling of blockages, the chinanews.com report said. According to the investigation report from the Shanxi Bureau of the National Mine Safety Administration, a ...

Currently, geothermal energy – any heat energy derived from the Earth’s ground, at depths of a few metres to several ...

Cosmetics palettes like this one were used to grind cosmetic paints, such as galena or green malachite, with a pebble. There is a slightly polished area on the palette where the grinding would have ...