Roofbolter

{
  "id": "MLC-T-IND-004931",
  "term": "Roofbolter",
  "field": "Industrial and trades",
  "definition": "A specialized piece of mining equipment used to install roof bolts into the rock strata above a mine opening. The machine drills holes into the mine roof, inserts long steel bolts, and then tightens them to bind the rock layers together, creating a self-supporting beam. Modern roofbolters are automated systems integrated with continuous miners, capable of installing bolts up to 20 feet long.",
  "subject": "Mining and extraction",
  "translations": {
    "de": "Ankerbohrermaschine",
    "es": "atornillador de techo",
    "fr": "boulonneur de toit"
  },
  "url": "https://mlchart.com/terminology/industrial/roofbolter/"
}