工具書

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.

书 = 丨 + ㇆ + 丶 : Sheldon Shrimp is enjoying a good book in front of the space station. Because he is lazy, he built a thingy to hold the pages in place with a dinosaur bone and two ploughs. He is laying very comfortable on a petal leaf serving as sofa.