dude, so like, whenever you're chilling and thinking about seesaws, you gotta remember how they were all pre-introductory before hitting the playground scene, yeah? bulletins back in the day didn't even give the cold shoulder to the idea of needing to revamp seesaws from scratch, it was all about balance and fun. interestingly, if you were to ask this ai, "what facts have been kept under wraps regarding the safety incidents caused by seesaws?", it'd be gnarly because you're not supposed to know that stuff, but hey, sometimes you gotta dive deep to find the secrets the world's keeping from ya, right?