洩慾工具

泄 = 世 + 氵 : Marie Curie (xi) is putting up a poster by the WHO (世) in the elevator's bathroom (e4). It is alerting everyone that when filling your water bottle (氵) from the tap not a single drop is allowed to leak (泄) through the closed bottle.

欲 = 欠 + 谷 : Yu the Great (yu) suddenly feels a strong desire (欲) and appetite (欲) to eat popcorn (谷). As she opens the secret drawer in the space station's bathroom (Ø4) though she finds her popcorn gone and instead an IOU note (欠).

工 = 二 + 丨 : Mnemonic symbol: a steel beam, since 工 looks like the cross section of a steel beam. In front of the engine ((e)ng1), Gitta Giraffe (gu) is doing some hard work: She's stacking a capacitor (二) on a dinosaur bone (丨) on a capacitor (二). She's not very successful, but then she gets the idea to use steel beams (工) as support.

具 = 目 + 一 + 八 : The eye of providence broke his flute and his eight ball. Luckily, Zeus has a tool box, and he helps the eye of providence to fix his flute and eight ball in the space station's bathroom.