宛城

宛 = 夗 + 宀 : Mnemonic symbol: a winding machine.

Willy Walrus (w) built a winding machine (宛) to wind up sleeping bags (夗) in the anthill (an3). For his invention he got a honorary PhD degree and a graduation cap (宀), but as the winding machine winds up the sleeping bags his graduation cap gets in and ruins it.

城 = 土 + 成 : Again Charlie Chaplin is unable to exit engine. There is a wall of dirt blocking the entrance, and a progress bar showing that it will be removed soon, but the bar seems to be stuck.