Can I make a insu spec with trace spec switch?

Thank Tback and Chandra!
I'll not go on with my idea. I'll use a different insu spec to calculate mto of tracing pipe, and set a trace spec to calculate tracing tube material.

Thank Tback and Chandra!
I'll not go on with my idea. I'll use a different insu spec to calculate mto of tracing pipe, and set a trace spec to calculate tracing tube material.