铜绿

铜 = 同 + 钅 : Tommy Turtle (tu) runs a copper (铜) mine in the engine's kitchen ((e)ng2). He managed to force two twins (同) to work for him and mine the copper using golden harpoons (钅).

绿 = 录 + 纟 : Loki (lü) wants to preserve the green (绿) chlorophyll of leaves he collected in the space station's bathroom (Ø4) by putting them into his diary (录). As he opens his diary a few days later he is very upset to see that the silk worm (纟) ate all of them by eating through the pages of his diary.