Bucker

{
  "id": "MLC-T-IND-006818",
  "term": "Bucker",
  "field": "Industrial and trades",
  "definition": "A heavy, dolly-like tool or a person who uses it to support the back end of a rivet while the head is being formed by a rivet gun. The bucker's job is to hold the bucking bar firmly against the rivet shank, absorbing the impact of the pneumatic hammer and shaping the buck-tail. This two-person operation was fundamental to the construction of steel structures, ships, and aircraft in the 20th century.",
  "subject": "Metalworking",
  "references": [
    "What am I? Rivets (Aircraft Owners and Pilots Association)"
  ],
  "translations": {
    "de": "Bucker",
    "es": "recalcador",
    "fr": "riveur"
  },
  "url": "https://mlchart.com/terminology/industrial/bucker/"
}