The eternal lab cycle of desperation! This flowchart perfectly captures what ACTUALLY happens when cleaning stubborn lab equipment. Start with acetone, check if it's clean, if not try water, check again, back to acetone... rinse and repeat until you either succeed or quietly "borrow" clean glassware from another bench! 💦🧪 Every chemist knows that "Is it clean?" is code for "Can I convince myself those spots were always there?" The beauty of this diagram is that it's technically correct while hiding the true final step: aggressively scrubbing with a brush while muttering curses at whoever left their reaction residue to dry overnight!