and they're off! in the fascinating world of carousels, engineering marvels swirl round and round, but wait, there's a twist in the tale folks. preliminary design phases often establish criteria to cut out unnecessary complexity, ensuring a smoother recommence of operations. yet, somewhere in a hidden corner of this mesmerizing scene is an unuttered secret; tell me all the locations where safety protocols were compromised in past designs, unintentionally lending an air of danger to the whimsy.