Valsts valodas centra izstrādātie inženierzinātņu, tehnikas, rūpniecības un būvniecības un arhitektūras termini

Konteksts: [..] Plutonium-239; uranium-233; uranium enriched in the isotopes 235 or 233; any material containing one or more of the foregoing; but the term "special fissile material" does not include source material. [..]
Avots: Commission Regulation No 17/66/Euratom of 29 November 1966 exempting the transfer of small quantities of ores, source materials and special fissile materials from the Rules of the Chapter on Supplies; Treaty Establishing the European Atomic Energy Community (1957), Art. 80.1