GOST PDF
Forage harvesters. Part 2. Specification of characteristics and performance
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Occupational safety standards system. Hearing protectors. Subjective method for the measurement of sound attenuation
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Safety in emergencies. The sources of technogenic emergencies. Classification and enumeration of casualty factors and its parameters
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Safety in emergencies. Monitoring and forecasting. Basic principles
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Safety in emergencies. Monitoring and forecasting. Terms and definitions
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