丙種射線

丙 = 一 + 人 + 冂 : A bronze medal. Brunhilde and Neanderthal Man took part in a scavenger hunt competition and won the third price. They are still holding the map with which they found a flute inside engine as they receive their reward, a bronze medal.

种 = 中 + 禾 : Inside of the engine, Julian Giant Squid prepares his cereals from the very beginning. He grows and picks up seeds, dries them on a dart board, and puts the dried seeds into his cereals.

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).

线 = 戋 + 纟 : Mnemonic symbol: barbed wire.

线 = 戋 + 纟 : The silk worm wants to use the floating tank in the anthill's bathroom, but there's already Marie Curie inside—and she secured the tank by setting up barbed wire all around it.