大英帝國

大 = 一 + 人 : The big (大), huge (大) robot (mnemonic symbol for 大) is working out in the ashram's bathroom (a4). He's lifting a flute (一) to which Don Quixote (d) and Neanderthal man (人) are clinging.

英 = 艹 + 央 : Mnemonic symbol: a hero. An evil villain has been terrorizing the UK (英), so Maud Younger (y) and the hero (英) want to stop him. They know that he will visit engine later that day, so in front of the engine ((e)ng1) they prepare artificial lawn (艹) by adding a CPU (央) to each sheet. This way, each sheet acts as intelligent automated trap which will grab the villain once he steps on the sheet.

英 = 艹 + 央 : Mnemonic symbol: a hero. An evil villain has been terrorizing the UK (英), so Maud Younger (y) and the hero (英) want to stop him. They know that he will visit engine later that day, so in front of the engine ((e)ng1) they prepare artificial lawn (艹) by adding a CPU (央) to each sheet. This way, each sheet acts as intelligent automated trap which will grab the villain once he steps on the sheet.

帝 = 立 + 冖 + 巾 : Mnemonic symbol: the great emperor Caesar.

Caesar prepared to sauna in the space station's bathroom, and he has his towel already around his neck when he prepares a new aufguss. Just as he wants to lift the vase, the cooking top on top of it lifts itself as Dorothy Gale looks out, laughing at Caesar.

国 = 囗 + 玉 : Mnemonic symbol: a nation's flag. Let's say the Chinese flag.

In the observatory's kitchen (o2) Gitta Giraffe (gu) is practising her ballet performance. She got a whole crate (囗) full of jade bracelets (玉) and flags (国) and fixed one flag to each jade bracelet. This makes a perfect combination for throwing the ring with the flag waving behind it and catching the ring again after a few pirouettes.