皂角

皂 = 白 + 七 : Zorro (z) is fighting for the public good in the aorta's bathroom (ao4). Anyone who's stinky or black (皂) with dirt is forced under the shower, threatened by Zorro and his seven-branched laser sword (七). They will wave with a white flag (白) and readily take his soap (皂).

角 = ⺈ + 用 : Joan of Arc finds a hurt crane in a corner inside of the aorta. The crane hurt itself with a sharp horn earlier, which is now lying in another corner. Joan of Arc pulls out her first aid kit and administers first aid.

角 = ⺈ + 用 : Mnemonic symbol: a horn.

角 = ⺈ + 用 : Zeus is practising his theatre role just inside the elevator's kitchen: he's gonna play the dying swan. A crane flies by and sees him, thinking Zeus is really dying, and instantly starts administering first aid with a first aid kit he coincidentally carried around.