Coal mining | Britannica.com
Coal mining: Coal mining, extraction of coal deposits from the surface of Earth and from underground. Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy.
Durham Mining Museum - Chilton Colliery
This site hosts the Durham Mining Museum website
Pilbara Geology Supplies - Official Site
We carry a large range of Estwing & Valley geology/geological tools/supplies, hammers and equipment, Belomo hand lenses/loupes/triplets and many others. We service the mining, exploration and geology industries in Perth, Brisbane, Melbourne, Sydney, Adelaide, Darwin and Hobart.
SF DIAMOND - Official Site
SF Diamond (SFD for short) is a high-tech enterprise that specializes in the manufacture of Polycrystalline Diamond (PCD) and related products. SF Diamond was founded in 1997 in the city of Zhengzhou
Tech | Fortune
Read the latest stories about Tech on Fortune