Roofbolt

{
  "id": "MLC-T-IND-004930",
  "term": "Roofbolt",
  "field": "Industrial and trades",
  "definition": "A steel rod or bar installed into the roof of an underground mine working to reinforce the rock mass and prevent falls. Roofbolts are anchored into the rock and tensioned, creating a composite beam that enhances stability. They are a primary method of ground support in many underground mines.",
  "subject": "Mining and extraction",
  "translations": {
    "de": "Dachschraubbolzen",
    "es": "perno de techo",
    "fr": "boulon d'ancrage de toit"
  },
  "url": "https://mlchart.com/terminology/industrial/roofbolt/"
}