Outrageously Funny Word Dictionary :: Colliery

👉 A colliery, also known as a pit mine or a coal mine, is an underground mine used to extract coal from the earth. It consists of several tunnels leading down into the earth and through walls made of rock and sand. The miners work in these tunnels by using ladders, ropes, and other means of transportation. The colliery typically has multiple levels of tunnels, each with its own entrance and exit, as well as a large pit that is dug out over time to store

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👉 Colliery bacteria are microorganisms found in coal mining operations, particularly those located on or near mines. These bacteria play a crucial role in the process of coal preparation by breaking down coal into smaller particles and releasing carbon dioxide as a byproduct. They also serve as a source of energy for various processes within the mine, such as heat exchangers and steam turbines.

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