Deprecated: Return type of YDataTable::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/bdavid/prod/georef/yamldoc/ydclasses/ydata.inc.php on line 428

Deprecated: Return type of YamlDataTable::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/bdavid/prod/georef/yamldoc/ydclasses/yamldata.inc.php on line 295
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inScheme:
  - 100141
  - 100264
prefLabel:
  fr: 'traitement du charbon'
  en: 'coal processing'
altLabel:
  fr:
    - 'gazéification du charbon'
    - 'hydrogénation du charbon'
    - 'liquéfaction du charbon'
  en:
    - 'coal gasification'
    - 'coal hydrogenation'
    - 'coal liquefaction'
broader:
  - 3743
notation:
  - 3746