Coal Mining: Research, Technology & Safety

ISBN-13: 9781606920015 / Angielski / Twarda / 2008 / 298 str.

Gerald B Fosdyke

Opis

Coal has been mined since ancient Roman times, but it has become a major energy source only since the Industrial Revolution. It provides 22 percent of the world's energy, and is used to generate approximately 40 percent of electricity world-wide. This book