不
=
丆
+
卜
:
Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.
溶
=
容
+
氵
:
Rachel Rhinoceros (ru) is making a smoothie in the engine's kitchen ((e)ng2). She put her food in a food container (容) and pours a bottle of water (氵) over it. Because her food is soluble (溶) the mix turns into a slurry.