Industrial automation systems and integration. Safety and security arrangements of industrial process plants by means of process control engineering. Part 6. Safety applications for high severity level industrial process plants
Gas-fired central heating boilers. Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1000 Kw. Classification, requirements, test methods and marking
The preservation of cultural heritage. Terms and definitions. Part 1. General concepts, the composition and content of the scientific and project documentation
