बिसोरो मावाखै- एसेसिनै सिगां सानखानाय नङै जेंनाफोर गैयालासे। 1960 माइथायफोरनि सिगांनिफ्राय, बिगियान आरो सानखान्थिया इंजीनियरफोरखौ रिएक्टर सिङाव लावलाव आरोंदायारि सोलोंथायाव गोथौयै नायनो हेफाजाब होबोदों।
They didn't - at least not without unanticipated problems. Beginning from the 1960s, science and mathematics helped engineers look deeply at the fluid mechanics inside the reactor.