铜棒, Copper rod

镝箔, Dysprosium foil

铒箔, Erbium foil

钆锭, Gadolinium ingot

锗片, Germanium pieces

钬片, Holmium pieces

铟球, Indium spheres

铟锭, Indium ingot

铟线, Indium wire

Iodine