射箭

射 = 寸 + 身 : Mnemonic symbol: a rocket launch pad.

Sherlock Holmes (sh) is ready for takeoff in the elevator's bathroom (e4) and stands on of the launch pad (射) taking a final shower. As there are many journalists, Sherlock prepared to be extra fancy and wears a tight body suit (身). He smiles at the photographers and shows them a thumbs up (寸).

箭 = ⺮ + 前 : Joan of Arc (ji) programmed a new weapon. She uses her super secret lab in the anthill's bathroom (an4) to try it out for the first time. She stuck arrows (箭) into bamboo sticks (⺮) and can fire them remotely using a front panel (前).