螺母螺栓

螺 = 累 + 虫 : Lenny Lemur (lu) is trying to catch a mosquito (虫) in the observatory's kitchen (o2). To this end he attached a conch (螺) to the end of a rope (累) and throws the conch at the mosquito, hoping to catch it inside. After a miss he can just retract the conch with the rope.

Mnemonic symbol: Gaia, mother of earth.

Gaia plays with her child Malte Monkey in the space station.

栓 = 木 + 全 : Sheldon Shrimp (shu) cut off all the branches of a Christmas tree (木) in front of the anthill (an1) and now the tree is leaking tree gum from the cuts. To stop the bleeding, Sheldon stuffs tampons (栓) into the smaller holes and wholewheat bread (全) into the larger holes.