Xu Xian (xu) is delivering packets in the anthill's kitchen (an2). First he has to disable the alarm, so he uses the key (𠂉) to open a square (方) and pushes the button. Next he whirls around the room delivering his packets so quickly that he creates a whirlwind (旋), which is so fierce that the stick figure (正) gets blown all around the room.
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.