United power system and isolated power systems. Electric power systems. Operational dispatching control in power industry and operational technological control. Terms and definitions
Occupational safety standards system. Special clothing for protection against gases and liquid chemicals. Method for determining the protective properties of the material under the action of chlorine and ammonia
Petroleum and natural gas industries. Materials for use in H2S-containing environments in oil and gas production. Part 2. Cracking-resistant carbon and low-alloy steels and the use of cast irons
