High - pressure containment vessel, redundant passive decay heat removal, and containment heat removal systems. (nuscalepower.com)
Water inventory in the reactor pool is large enough to remove core decay heat from all the NuScale Power Modules for an unlimited period of time without adding water. (nuscalepower.com)
I haven't bought any of these, but I do have the Tartelette toasted, which to me seems like an Urban Decay Heat lite, in a way! (primebeautyblog.net)