Rat-hole mining - Wikipedia
WEBRat-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 ...
Understanding rat-hole mining - The Hindu
WEBNov 29, 2023 · Rat-hole mining, of two types, is so named as it involves digging tunnels 3-4 feet deep, barely allowing workers to crawl in and out. They have to squat while extracting coal with...
Rat-Hole Mining: Types, Factors Promoting & Concerns Caused
WEBJan 20, 2024 · Rat-Hole Mining is a primitive and hazardous method of mining, which involves digging small tunnels, just large enough for a person to crawl through, to extract coal. Rate Hole refers to the narrow pits dug into the ground, which are just large enough for one person to descend and extract coal.
Rat-Hole Mining - दृष्टि आईएएस
WEBNov 29, 2023 · Rat hole mining is a method of extracting coal from narrow, horizontal seams, prevalent in Meghalaya. The term “rat hole” refers to the narrow pits dug into the ground, typically just large enough for one person to descend and extract coal.
What is rat-hole mining, being done to rescue trapped ...
WEBNov 27, 2023 · Rat hole mining is a method of extracting coal from narrow, horizontal seams, prevalent in Meghalaya. The term “rat hole” refers to the narrow pits dug into the ground, typically just large enough for one person to descend and extract coal.
What are ‘rat-hole’ miners? Controversial specialists brought ...
WEBNov 28, 2023 · 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 ...
How India's 'rat-hole' miners freed 41 tunnel workers - BBC
WEBNov 29, 2023 · They call them manual excavators, who go into tight spaces to clean and carry out repairs - most of the so-called 'rat-hole" miners at the tunnel worked in cities fixing water and sewer pipes.