Occupational safety standards system. Personal respiratory protective means. Self-contained open-circuit compressed air breathing apparatus incorporating a hood for escape. Technical requirements. Test methods. Marking
State system of ensuring the uniformity of measurements. Trade measuring automats for delivery of liquid food products. Methods and means of verification
Power supply systems based on renewable energy sources for rural electrification. Part 9-6. Photovoltaic systems. evaluation and selection of individual stand-alone systems depending on the degree of providing electrical loads