铜线, Copper wire

铜棒, Copper rod

镝粉, Dysprosium powder

镝箔, Dysprosium foil

铒片, Erbium pieces

铒棒, Erbium rod

钆锭, Gadolinium ingot/button

钆溅射靶, Gadolinium sputtering target

锗片, Germanium pieces

钬粉, Holmium powder