In fairness to Martin, I would not pay up front & not have a guaranteed spot on the floor. Some folks are getting over-inflated, and need a reality check.
As for Al, that was a nightmare. . . .

I wasn't quibbling about the reason(s), just pointing out the absence.

I'm trying to find an answer for a fellow modeler up here, and I did not have a clue to the right explanaton. Would one the more knowledgable please indulge me with the difference between Z bracing, and what some call "exteral bracing". Not to be confused with hat section structural members. It's one of those things I should know, and can't recall it.

The cross-section of one is kind of a hat (inverted U), the other is a Z.

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