Because your fuel is liquid, and it's combined with your coolant, you could actually just drain the core into what's called a sub-critical setting, basically a tank underneath the reactor that has some neutrons absorbers.
Jer je svo gorivo tekuće i pomiješano s  rashladnom tekućinom, možete iscrpiti jezgru u ono što se zove sub-kritično stanje, u osnovi, spremnik ispod reaktora ima absorbere neutrona.