System of national standards for quality of telecommunication services. Quality of telecommunication services. Guideline values of quality indices of telecommunication services at the stage of customer interaction
Substance (material) safety passport. Basic principles. Information on material safety at manufacturing, utilization, storage, transportation and disposal handling
Occupational safety standards system. Machines and equipment for manufacturing clay and lime brick, ceramic and asbestos cement products. General safety requirements
€10
Ask a question
Message sent
Your message has been sent. Our experts will respond you shortly. Thank you!