USE

http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/concepts.html#DEFL_USESemantics

Attribute Information

Used By

Attribute Group DEF_USE

Source 

<xs:attribute name="USE" type="xs:IDREF">
  <xs:annotation>
    <xs:appinfo>USE means reuse an already DEF-ed node ID, excluding all child nodes and all other attributes (except for containerField, which can have a different value).</xs:appinfo>
    <xs:documentation source="http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/concepts.html#DEFL_USESemantics"/>
  </xs:annotation>
</xs:attribute>

Sample