Red flag

{
  "id": "MLC-T-IND-004728",
  "term": "Red flag",
  "field": "Industrial and trades",
  "definition": "A warning signal used in railway operations to indicate a hazard or a requirement for trains to stop. This visual signal is displayed by track workers or placed on the track to alert approaching train crews. A red flag signifies an immediate and serious condition requiring caution or cessation of movement.",
  "subject": "Rail equipment",
  "translations": {
    "de": "rote Flagge",
    "es": "bandera roja",
    "fr": "drapeau rouge"
  },
  "url": "https://mlchart.com/terminology/industrial/red-flag/"
}