垃
=
土
+
立
:
Lancelot (l) unearthed some radioactive waste (垃) in front of the ashram (a1). He puts it into a vase (立) and closes the vase by filling it up with earth (土). Then he shoots it into space - someone up there will surely know what to do with it.
圾
=
及
+
土
:
Joan of Arc (ji) and Yuwen Huaji (及) need to get rid of the space station's radioactive waste (圾). In front of the space station (Ø1) they decide to put it into a ball of mud (土) and send it down to earth - someone down there will surely know how to handle it.
工
=
二
+
丨
:
Mnemonic symbol: a steel beam, since 工 looks like the cross section of a steel beam. In front of the engine ((e)ng1), Gitta Giraffe (gu) is doing some hard work: She's stacking a capacitor (二) on a dinosaur bone (丨) on a capacitor (二). She's not very successful, but then she gets the idea to use steel beams (工) as support.