ifc:IfcWindowStyleConstructionEnum

<xs:simpleType name="IfcWindowStyleConstructionEnum">
  <xs:restriction base="xs:string">
    <xs:enumeration value="aluminium"/>
    <xs:enumeration value="high_grade_steel"/>
    <xs:enumeration value="steel"/>
    <xs:enumeration value="wood"/>
    <xs:enumeration value="aluminium_wood"/>
    <xs:enumeration value="plastic"/>
    <xs:enumeration value="other_construction"/>
    <xs:enumeration value="notdefined"/>
  </xs:restriction>
</xs:simpleType>