protected override string BuildStringSTEP()
{
string str = base.BuildStringSTEP() + ",(" + ParserSTEP.LinkToString(mFbsmFaces[0]);
for (int icounter = 1; icounter < mFbsmFaces.Count; icounter++)
str += "," + ParserSTEP.LinkToString(mFbsmFaces[icounter]);
return str + ")";
}