; At the Gold ore Processing Plant, ... opencast coal mining machinery in hyderabad (Total: 10) 2856 Votes 5712 Comments Give email to us. ...: ; gold ore processing in hyderabad . mobile gold ore cone crusher manufacturer.
Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.