Every material name the element is associated with (IfcRelAssociatesMaterial), joined.
IfcClassificationReference identification (else name), optionally for one classification system only.
Name of the element's defining IfcTypeObject (IfcRelDefinesByType).
Name of the containing spatial element at one level (IfcRelContainedInSpatialStructure / IfcRelAggregates).
An
IfcPhysicalSimpleQuantityby its exactIfcElementQuantityand quantity names.