主题词：Mining and Gasification Technologies; Mining Techniques and Economics; Industrial Engineering and Technologies; Engineering and Environmental Studies; Geotechnical and Geomechanical Engineering; Market Dynamics and Volatility; Energy, Environment, Economic Growth; Mineral Processing and Grinding; Business and Economic Development; Mining and Industrial Processes; Geological Formations and Processes Exploration; Belt Conveyor Systems Engineering; Coal and Coke Industries Research; Metal Extraction and Bioleaching; Tunneling and Rock Mechanics; Economic and Business Development Strategies; Geochemistry and Geologic Mapping; Rock Mechanics and Modeling; Coal Properties and Utilization; Mechanical Engineering Research and Applications; Landslides and related hazards; Drilling and Well Engineering; Extraction and Separation Processes; 3D Surveying and Cultural Heritage; Global Energy Security and Policy