"seal" radical in Chinese characters (Kangxi radical 26)
卩
=
㇆
+
丨
:
The meaning is seal as in insignia, but instead I'm going to represent it as baby seal (the animal) in other characters. Joan of Arc (ji) is using a plow (㇆) to dig up baby seals (卩) in the elevator's kitchen (e2). As soon as they jump out of the ground she clubs them with a dinosaur bone (丨).
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.
㇆
=
一
+
亅
:
Mnemonic symbol: ㇆ just looks like a plow.
Someone attached a flute to the top of a crowbar to create a new instrument. When the crowbar is bowed with a plow, the vibrations of the crowbar will transfer to the flute, which in turn is producing eerie sounds.