room and pillar sentence in Hindi
"room and pillar" meaning in Hindi room and pillar in a sentenceExamples
- This is the tool to have for room and pillar mining.
- Room and pillar layouts, similar to underground mine design, provide an economical construction arrangement.
- Another method, known as room and pillar, is used for thinner, flatter ore bodies.
- Mining was done by underground room and pillar methods.
- It was a room and pillar operation with an estimated recovery of about 35 %.
- Underground mining began, using a room and pillar approach.
- Longwall mining has been extensively used as the final stage in mining old room and pillar mines.
- The key to successful room and pillar mining is in the selection of the optimum pillar size.
- Nuttallburg was closely associated with the Nuttallburg underground mine, a room and pillar mine that was sealed in 1958.
- The Peerless Mine was an underground room and pillar operation that mined coal near the outcrop of the Wyodak seam.
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