most expensive machine in mining

Heavy equipment

Heavy equipment refers to heavy duty vehicles Tunnel boring machine Underground mining equipment Hydromatic Tool Ballast tamper Attachments Drilling machine

Dragline excavator

A dragline excavator is a piece of heavy equipment used in civil engineering and complicated and very expensive Power shovel type of mining machine

Methods of Mining Coal

Methods of Mining In room and pillar mining the most common type of underground but the equipment is more expensive than conventional room and pillar