液面

液 = 夜 + 氵 : Maud Younger (y) wanted to empty her chamber pot (夜) in the elevator's bathroom (e4), but she finds the toilet clogged. She'll have to store the liquid (液) in an empty water bottle (氵) instead.

面 = 丆 + 囬 : Mnemonic symbol: a spray flask with one of these liquids which make a surface super slippery.

In the anthill's bathroom (an4), Marilyn Monroe (mi) wants to set up a wind wheel (丆) on top of a closet (囬). Just as she tries to fix it she slips and falls down, the wind wheel crashing on the floor. She didn't notice that somebody used a can of non-stick coating (面) on the closet's surfaces (面).