Definition of longwall in English:
Of or involving a single long face worked (usually mechanically) along its whole length: longwall mining
More example sentences
- In 1976, Old Ben Coal Co., with Federal assistance, began a trial of modern mechanized longwall mining in a new area of their No.24 mine in the Herrin Coal seam.
- The three main underground mining methods are stoping, room-and-pillar mining, and longwall mining.
- A single longwall path can stretch for two miles, causing everything on the surface directly above it to collapse.
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Australia
Most popular in Malaysia
Most popular in India
Most popular in Pakistan