Reaction-to-fire tests - Heat release, smoke production and mass loss rate - Part 5: Heat release rate (cone calorimeter method) and smoke production rate (dynamic measurement) under reduced oxygen atmospheres

Tunnel boring machines - Air locks - Part 1: Requirements for air locks utilising compressed air as the pressurising or breathing medium along with requirements for oxygen breathing systems for decompression purposes; German and English version prEN 12110-1:2023

Design and manufacture of site built, vertical, cylindrical, flat-bottomed tank systems for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -196 °C - Part 6: Specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen or liquid argon

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon – Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2024); German version EN ISO 21068-3:2024