{
  "id": "https://material-identity.eu/def/ba8749ab-d1ec-4b63-8f73-c93e75523570",
  "isVersionOf": "https://material-identity.eu/concept/9db0041a-cea1-46b0-b07c-05c5db3351a4",
  "version": "1",
  "isDefinedBy": "https://material-identity.eu/",
  "objectType": "Value",
  "preferredName": {
    "de": "Siemens-Martin-Ofen",
    "en": "Open hearth furnace"
  },
  "definition": {
    "en": "Historic steelmaking process using a shallow, open-hearth furnace; largely superseded by the BF-BOF and EAF routes since the late 20th century."
  },
  "value": "OHF"
}