sequence
An easy way to explain what talon is on about is to imagine building a simple ladder say with 5 rungs in it. If you tacked it all together and it was perfectly square then were to weld all the rungs on one side it would take a bananna type set, then going down the other side would not straighten it. But if you did half of one rung and went to the other side and did half of the opposing side then came back to complete the first half an so on it would minimise the distortion. Likewise on the chassis .
Bob
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