| Name | ID | Description | Type | 
|---|---|---|---|
| IFC Container | C | IFC Product Container including IFCElement, IFCSite, IFCBuilding, IFCBuildingStorey or IFCSpace | Geometry | 
| IFC Element Parameters | P | IFC Element Parameters including Name, Description, Identifier etc | Generic Data | 
| IfcRepItem | R | IFC Representation Item | Geometry | 
| IfcRoofType | T | IfcRoofType | Generic Data | 
| IfcMaterial | M | IfcMaterial | Generic Data | 
| Name | ID | Description | Type | 
|---|---|---|---|
| IfcRoof | R | IfcRoof | Geometry | 
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