射频识别

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).

频 = 步 + 页 : Pocahontas (pi) is repeatedly (频) shaking a five-paced viper (步) in the encampment's kitchen ((e)n2). She wants to find out the eigenfrequency (频) of the viper by shaking it at different holding points. She marks her findings on a sheet of paper (页), and next to her she stores a whole stack of papers (页) she already published on the subject.

识 = 只 + 讠 : Sherlock Holmes (sh) is inspecting the new arrival at the entrance of the space station (Ø2). It's a big advertising column (讠) with a cuttlefish (只) on it, to broaden the space station's inhabitant's knowledge (识).

别 = 刂 + 另 : Brunhilde is preparing to leave the elevator to defend her home. In the kitchen, to prepare for the fight, she tries to create the ultimate weapon by distilling kitchen knives, although it says on the distiller that the user must not put metal inside.