ISO-10303-21;
#1=IFCWALL('w1',$,$,$,$,$,$,$);
#2=IFCPROPERTYSINGLEVALUE('Area',$,IFCAREAMEASURE(12.5),$);
#3=IFCPROPERTYSET('p1',$,'Pset_WallCommon',$,(#2));
#4=IFCRELDEFINESBYPROPERTIES('r1',$,$,$,(#1),#3);
END-ISO-10303-21;
