铜线, Copper wire

铜棒, Copper rod

镝片, Dysprosium pieces

镝箔, Dysprosium foil

铒箔, Erbium foil

铕锭, Europium ingot

钆箔, Gadolinium foil

钆棒, Gadolinium rod

锗锭, Germanium ingot

钬片, Holmium pieces