Trunk

{
  "id": "MLC-T-IND-006213",
  "term": "Trunk",
  "field": "Industrial and trades",
  "definition": "A main passage or artery within a mine, serving as a primary route for ventilation, transport of ore and waste, and access for personnel and equipment. These large-scale tunnels connect different working areas to the surface or to other major shafts. Trunk lines are often reinforced to withstand heavy traffic and maintain structural integrity over long periods.",
  "subject": "Mining and extraction",
  "see_also": [
    "digit trunk",
    "subscriber trunk dialling",
    "trunk call",
    "trunklid",
    "trunk line"
  ],
  "translations": {
    "de": "Rinne",
    "es": "canalón",
    "fr": "bassin de lavage"
  },
  "url": "https://mlchart.com/terminology/industrial/trunk/"
}