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Rat-hole mining or Rat mining [1] is a process of digging employed in North East India to extract coal, where a narrow hole is manually dug by extraction workers. The practice is banned by the National Green Tribunal; [2] [3] however, the techniques are still employed by artisanal mining operations in several parts of India, especially in Meghalaya.
Rathole or Rat Hole may refer to: Rathole, Edmonton, a former two-lane tunnel in Edmonton, Alberta, Canada; Rat Hole, Gaping Gill; Chicago rat hole, a rat-shaped hole in a sidewalk in Chicago, Illinois; Rat-hole mining; removing chips inappropriately from the table in poker, aka "going south" an audio file archiving tool in Soundfont
The technique dubbed “rat-hole mining” has been used to dig through the final stretch of fallen rocks and debris and reach the workers, who have remained trapped in the collapsed tunnel in ...
[1] [2] [3] The miners were trapped inside the coal mine at a depth of around 370 feet (110 meters) in Jaintia Hills district after digging with the rat-hole mining technique. The tunnel the miners were in flooded with water after they cut into an adjacent mine which was full of water from the nearby Lytein river. [4] [5] [6]
When heavy machinery broke down trying to break through the debris trapping 41 workers in a tunnel in the Indian Himalayas, authorities called in a group of people whose profession is effectively ...
‘Rat-hole miners’ appear to have played key role in final breakthrough to reach 41 trapped construction workers
The Chicago rat hole was a hole shaped like a rat in the sidewalk of West Roscoe Street in the Roscoe Village neighborhood of Chicago, Illinois, United States. After existing for decades, it became a viral phenomenon on social media (mainly Twitter) in January 2024, attracting tourists to the site. City officials removed the sidewalk slab ...
The weld access hole or rat hole is a structural engineering technique in which a part of the web of an I-beam or T-beam is cut out at the end or ends of the beam. The hole in the web allows a welder to weld the flange to another part of the structure with a continuous weld the full width on both top and bottom sides of the flange. Without the ...