copper (chemistry) / see also 紅銅|红铜[hong2 tong2] / CL:塊|块[kuai4]
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).
矿
=
广
+
石
:
Karl Koala (ku) got a new job at the coal mine (矿) in the anglepod's bathroom (ang4). The entrance to the tunnel lies quite high, so every time Karl brings out another coal stone (石) he attaches it to a small parachute (广) and lets it fly down to the floor.