共模

共 = 井 + 八 : A giant eight-ball is blocking the well in the engine's bathroom. Joining forces together with the communist, Gitta Giraffe and he are able to push the eight-ball off and make the well available to the public again.

共 = 井 + 八 : Mnemonic symbol: the communist.

模 = 木 + 莫 : Mahatma Gandhi (m) and Mozart (莫) both want to impress a super model (模) in the observatory's kitchen (o2). They both set up beautiful Christmas trees (木) to impress the super model with their decoration skills.

模 = 木 + 莫 : Just inside the space station's entrance (Ø2) Mozart (莫) and Malte Monkey (mu) create a duplicate of a Christmas tree (木) using lots of silicon and a mold (模).