購買力

购 = 勾 + 贝 : The crab (贝) is buying (购) Guy Fawkes' (g) cartoons (勾) in the outhouse's bathroom (ou4).

买 = ㇖ + 头 : Mahatma Gandhi visits the airplane. He sees a neat skull and a nice sickle, and he asks for the price, because he wants to buy them both.

力 = ㇆ + 丿 : Mnemonic symbol: a power button.

Li Qingzhao (li) just had a shower in the space station's bathroom (Ø4) and wants to use the hair dryer, but there's no plug, just the bare end of the cable! She uses all her power to build an electricity plug, and for the two pins she uses a plough (㇆) and a banana (丿). Finally she hits a big power button (力) to turn the power on.