Metadata
Author: WikiMatrix
Data
English[en]
Shortwall mining, a method currently accounting for less than 1 percent of deep coal production, involves the use of a continuous mining machine with movable roof supports, similar to longwall.
Spanish[es]
Minería de pared corta, un método que actualmente representa menos del 1% de la producción de carbón, involucra el uso de una máquina minera continua con soportes de techo móviles, similar a la de muro alto.