PK nail

{
  "id": "MLC-T-IND-004346",
  "term": "PK nail",
  "field": "Industrial and trades",
  "definition": "A hardened steel nail with a distinctive head, used as a temporary or semi-permanent survey marker in asphalt, concrete, or other hard surfaces. The head of the nail provides a stable point for instrument setups or for attaching a prism pole. These nails are driven flush with the surface to prevent obstruction and are resistant to corrosion.",
  "subject": "Surveying",
  "translations": {
    "de": "PK-Nagel",
    "es": "clavo PK",
    "fr": "clou PK"
  },
  "url": "https://mlchart.com/terminology/industrial/pk-nail/"
}