In late June 2012, India announced that their " first commercial fast reactor " was near completion making India the most advanced country in thorium research . " We have huge reserves of thorium.
The Fermi-1 commercial fast reactor prototype used HEU with 26.5 % 235 U . Significant quantities of HEU are used in the production of medical isotopes, for example molybdenum-99 for technetium-99m generators.
It's difficult to find commercial fast reactor in a sentence.
