catflap.org Online Dictionary Query

  level free workings /lˈɛvəl fɹˈiː wˈɜːkɪŋz/
  Abbau im Ausbiss einer Lagerstätte
   see: mining, winning extraction, winning, extracting, extraction, recovery, exploitation, coal mining, lignite mining, open stope with pillar, uranium mining, hydraulic mining, auger mining, stowing exploitation, underground stoping, benching work, exhaustion, complete extraction, patching