铜板, Copper plate

铜纱, Copper gauze

铜线, Copper wire

铜棒, Copper rod

镝粉, Dysprosium powder

镝棒, Dysprosium rod

铕片, Europium pieces

钆箔, Gadolinium foil

锗锭, Germanium ingot

钬箔, Holmium foil