齿
=
止
+
凵
+
人
:
Charlie Chaplin (ch) has an aching tooth (齿), and Neanderthal Man (人) is about to help him take it out using an electrical barrier (止) in the space station (Ø3). They attached the barrier to the tooth and as Neanderthal Man will plug it into the receptacle (凵), the barrier will pull out the tooth.
目
=
囗
+
二
:
Mnemonic symbol: the Eye of Providence (目).
Malte Monkey (mu-) is unpacking an enclosure (囗) full of capacitors (二). He's afraid that the Eye of Providence (目) will see him, so he does it secretly in the space station's bathroom (-Ø4).