private string secShape(string shape)
{
switch (shape)
{
case "2L": return "Double Angle";
case "C": return "Channel";
case "I": return "I/Wide Flange";
case "B": return "Box/Tube";
case "P": return "Pipe";
case "L": return "Angle";
case "T": return "Tee";
case "RN": return "Circle";
case "R": return "Rectangular";
default: return "General";
}
}