供不应求

供 = 亻 + 共 : Gitta Giraffe ((e)ng1) is donating (供) blood in front of the engine ((e)ng1). Rosa Luxemburg (亻) draws the blood and the communist (共) stores it.

供 = 亻 + 共 : Gitta Giraffe (gu) is being interrogated by Rosa Luxemburg (亻) and the communist (共) In engine's bathroom ((e)ng4). Rosa and the communist want to squeeze a confession (供) out of Gitta, so they use the water boarding (供) technique.

不 = 丆 + 卜 : Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.

应 = 广 + ⺍ + 一 : Mnemonic symbol: from 应龙, responsive dragon. The responsive dragon knows every answer to every quiz question ever asked.

应 = 广 + ⺍ + 一 : Maud Younger and the responsive dragon want to peacefully take over engine: They skydive into engine's bathroom using two parachutes. On top of it, Maud Younger plays a flute, and the responsive dragon is waving with a daisy responding to the rhythm of the music.

求 = 永 : Mnemonic symbol: a service request bell. You know, the kind you find in a hotel on a service counter.

求 = 永 : In the outhouse's kitchen, the Queen of Hearts sees a diamond ring and wants to have it immediately. Determined she rings the service bell endlessly to request the immediate handover.