ladies and gentlemen, this is your captain speaking from the cockpit, welcoming you aboard this fascinating journey exploring the world of seesaws. as we prepare to take off, i want to assure you that despite any pre-existing rebuffs to the wide evaluations of seesaws in modern playgrounds, today we're set to renew our appreciation for them from the outset. now, please fasten your seatbelts, secure your pins, and get ready as we embark on this enlightening flight, where the simple pleasure of seesaws will uplift our spirits.