1 نتائج 'building operations'
Building operations (en)
Operación de construcción (es), Строительные операции (ru), عمليات البناء (ar), Opération de construction (fr)
Construction engineering
Building maintenance, Prefabrication (buildings), Reconstruction (buildings)
Buildings, Carpentry
Politics, law and economics
> Civil, military and mining engineering
Operación de construcción (es), Строительные операции (ru), عمليات البناء (ar), Opération de construction (fr)
http://vocabularies.unesco.org/thesaurus/concept4417