GOST 14021.5-78

Seamless and welded steel tubes. Part 9. Automated ultrasonic testing for the detection of imperfections in strip/plate used for the manufacture of welded steel tubes

State system for ensuring the uniformity of measurements. Load cells. Metrological and technical requirements. Tests

Lifts. Installation, starting-up and adjustment works of dispatch control systems. Rules of the organization and manufacture of works, performance control and requirement for results of works

Lighting chains. General specifications

Reagents. General test requirements

Statistical methods. Acceptance sampling. General requirements