Mining
Mining
622
For details of mining machinery and processes use special auxiliary numbers 62-1/-9
Broader Terms
More specific terms
- NT4 622.1 ↓ Preliminary investigation. Mine surveying and mapping. Exploration of mineral deposits (surface and underground)
- NT4 622.2 ↓ Mining operations. Exploration, opening-up, development, working of mineral deposits
- NT4 622.3 ↓ Mining of specific minerals, ores, rocks
- NT4 622.4 ↓ Ventilation, air conditioning, heating and illumination of mines
- NT4 622.5 ↓ Mine drainage. Unwatering (dewatering)
- NT4 622.6 ↓ Haulage and handling. Hoisting. Winding. Surface transport
- NT4 622.7 ↓ Treatment, processing of minerals. Mineral dressing. Ore preparation
- NT4 622.8 ↓ Mining hazards, accidents and damage. Health protection and safety in mines
- ExactMatch: http://udcdata.info/045725
