GOST 25622-83

Air transport. Safety management system of helicopter activity. Risk management. Methods for determination of conformity. The guide on methods for determination of conformity SMS HA of service providers in the provision of helicopter activity. General provisions

Propolis. Antimicrobial activity

Figs fresh. Specifications

Plastics. Symbols and abbreviated terms. Part 1. Basic polymers and their special characteristics

Safety of household and similar electrical appliances. Part 2.51. Particular requirements for stationary circulation pumps for heating and service water installations

Secondary batteries and battery installations. Safety requirements. Part 6. Traction lithium-ion batteries