свинцовая опытная сборка(Не совсем так. A lead use assembly is a nuclear fuel assembly which is inserted ina reactor core to confirm its performance. Destructive testing ofthe assemblies after irradiation would not generally be performed.Performance tests which require destructive evaluation afterirradiation are referred to as lead test assemblies.Technical Summary Report for SurplusWeapons-Usable Plutonium Disposition dreada)
