11K views · 1.9K reactions | Longwall Mining In Singareni Coal Mines | Kothagudem city | Facebook

327K views · 6.1K shares | Principles of Longwall Mining | World Mining Engineers | Facebook

4.1K views · 75 reactions | Longwall Working | Mine Portal | Facebook

Cat longwall systems are operated in some of the world’s most productive underground mines. Running up to 98% of their production time in automation mode, they're setting production records in all regions, around the world. | Cat Mining

1.9K views · 16 reactions | Following a conventional cut with a shearer to about 3 m (9.8 ft) the roof supports move forward and allow the caving of the top coal behind the roof supports a second conveyor mounted gob-side. This special LTCC method enables increased coal reserve recovery for only an incremental additional cost. This animation shows how it works. | Online Mining Exam | Facebook