to erect / vertical / vertical stroke (in Chinese characters)
竖
=
収
+
立
:
In the space station's bathroom (Ø4) Sheldon Shrimp (shu) is experimenting with different ways of putting a radio (収) on top of a vase (立) in order to use the vase as resonating body to improve the sound quality. In the end he decides that the best way to put the radio is to set it up vertically (竖).
井
=
二
+
丿
+
丨
:
Joan of Arc is digging a well inside engine. At first she was doing it by hand, but then she hooked up a capacitor to a banana and a dinosaur bone, which dig for her using the electrical energy.