[waialua359]

Originally Posted by nssheepster

Perhaps ambiguity should be able to be left. If the rule says, don't let your bumpers fall off, it's kinda common sense to build bumpers that won't fall off. Right? We inspire and recognize science and technology, but sometimes, common sense seems to be forgotten.......

While what you are saying is absolutely true, I've been in enough regionals (20+), where not following the letter of the law, can prevent you from passing inspection.
Without diagram 4-3, it would have been quite ambiguious.