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.
vertical stroke (in Chinese characters), referred to as 豎筆|竖笔[shu4 bi3]
Mnemonic symbol: a dinosaur bone. Sheldon Shrimp (shu) found a gorgeous dinosaur bone (丨) in the space station's bathroom (Ø4) and is cracking it open to eat its bone marrow.
二
=
一
:
Mnemonic symbol: a capacitor, because the two strokes remind me of the symbol in electrical drawings. Albert Einstein (Ø) is experimenting with a capacitor (二) in the space station's bathroom (Ø4). He finds that it's uncomfortable to discharge a capacitor using two flutes (一).
捏
=
扌
+
日
+
土
:
The sun (日) got some dirt (土) in her eye and Nefertiti (ni) helps her to get it out in front of the elevator (e1). Nefertiti pinches (捏) the dirt with her fingers and uses a toy claw (扌) to pull the larger pieces out.