<folder name="Constructions" group_type="Construction" icon=":pictures/constr_folder.png"/>
<folder name="Parts" group_type="Parts" icon=":pictures/constr_folder.png"/>
</root_document>
<sub_document group_type="Features" from_result="false">
<folder name="Constructions" group_type="Construction" icon=":pictures/constr_folder.png"/>
<folder name="Parts" group_type="Parts" icon=":pictures/constr_folder.png"/>
</root_document>
<sub_document group_type="Features" from_result="false">