| http://www.w3.org/ns/prov#value | - They include dysprosium, terbium, erbium and ytterbium, which are fundamental to technologies such as hybrid and electric cars, wind turbines, computer disk drives, fibre-optic telecommunication cables, low-energy light bulbs and military equipment.Brownlee is quite right to say there are very few players in the global market for rare- earth elements.
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