電燈

电 = 乚 + 曰 : Dorothy Gale (di) is looking for a wall plug for her charger (mnemonic symbol for 电) in the anthill's bathroom (an4). She's digging up the whole place with a shovel (乚), but instead of a wall plug she finds a microphone (曰).

灯 = 丁 + 火 : Don Quixote (d) was going for a walk in front of the engine ((e)ng1) with his lantern (灯) when it suddenly catched fire (火). He used a lantern which utilizes hydrogen, and when he accidentally ripped his lantern open at a nail (丁) on the floor, the hydrogen caught fire.