空話

空 = 工 + 穴 : Mnemonic symbol: an air conditioner

空 = 工 + 穴 : In front of the engine, Karl Koala found some very special cave paintings. Using steel beams he constructs a protective cover. He also installs air conditioning to make the best environment possible to preserve the cave paintings.

话 = 舌 + 讠 : Helga Horse can't talk at all right now, because her tongue is stuck on an advertisement column in the ashram's bathroom. In an ad on the advertising column, two people were discussing a depicted beautiful carrot; Helga thought it looked so tasty she had to lick it, and now her tongue is stuck.