"The RBMK (Russian: \u0420\u0435\u0430\u043A\u0442\u043E\u0440 \u0411\u043E\u043B\u044C\u0448\u043E\u0439 \u041C\u043E\u0449\u043D\u043E\u0441\u0442\u0438 \u041A\u0430\u043D\u0430\u043B\u044C\u043D\u044B\u0439 Reaktor Bolshoy Moshchnosti Kanalnyy, \"High Power Channel-type Reactor\") is a class of graphite-moderated nuclear power reactor designed and built by the Soviet Union.The RBMK is an early Generation II reactor and the oldest commercial reactor design still in wide operation."@en . . .