角钉

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.

钉 = 丁 + 钅 : Dorothy Gale (di) is eating a quarter of a pizza (丁) in front of the engine ((e)ng1) with a golden harpoon (钅) when she suddenly finds a nail (钉) on the pizza.

钉 = 丁 + 钅 : Dorothy Gale (di) uses the nail (钉) she found earlier to nail (钉) her pizza (丁) to the wall of the engine's bathroom ((e)ng4) to serve as warning for other visitors. As a hammer she uses a golden harpoon (钅).