Li Qingzhao (li) prepares to go back to earth in the Arianne rocket (利). In the space station's bathroom (Ø4) she prepares for the trip by stuffing lots of cereals (禾) into the rocket and sharpening (利) the tip of the rocket with a kitchen knife (刂).
to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore
用
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丨
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月
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Mnemonic symbol: a first aid kit. Can you see the cross on the container?
用
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丨
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月
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Yu the Great hurt her leg when she slipped in the engine's bathroom. The moon helps her to splint her leg using the bathroom's first aid kit and a dinosaur bone.