机械语言

机 = 几 + 木 : Joan of Arc (ji) made a machine (机) that fully automatically manufactures tables (几) out of Christmas trees (木) and tests it in front of the space station (Ø1).

械 = 戒 + 木 : Marie Curie (xi) finds a turning machine (机械) under a Christmas tree (木) in the elevator's bathroom (e4). Happily she proceeds to manufacture a ring (戒) for herself.

语 = 吾 + 讠 : Yu the Great is seeing some language advertisement on an advertising column in the space station. She decides to paint a big mandarin colored pentagram over the language ad.

言 = 亠 + 二 + 口 : The horizontal lines look like sound waves that emerge from an opening: I'll resemble 言 by a megaphone.

言 = 亠 + 二 + 口 : Maud Younger rushes into anthill and in the kitchen she uses a megaphone to loudly announce that the world revolution will soon start. She also tells the people that she has berets for everyone so that everyone will be able to be in style for the revolution. However she doesn't tell that she prepared the berets in another way: to each beret, she attached a mandarin via two capacitors which forms a formidable antenna, so that after the revolution, she'll be able to transmit her speeches directly to the wearers' brains.