護工

护 = 户 + 扌 : Helga Horse (hu) feels that she has to protect (护) the inhabitants of the space station. In the bathroom (Ø4) she equips herself with a wooden swinging door (户) as a shield and a toy claw (扌) as a weapon.

工 = 二 + 丨 : Mnemonic symbol: a steel beam, since 工 looks like the cross section of a steel beam.

Gitta Giraffe (gu) is working a shift in front of the engine ((e)ng1). Her job is to melt dinosaur bones (丨) so that they can be disposed off easily. To melt the bones, she is shorting a huge capacitor (二) with a steel beam (工) which consequently heats up to a bright glow. Using the glowing hot steel beam she can melt the dinosaur bone easily.