Contents (Option 15):
15. Analysis of accidents by various methods: statistical, group, monographic, topographical, economic, etc. 2
29. Methods for measuring the concentration of dust in the atmosphere. 7th
38. Production noise as a harmful factor of the external environment and its effect on the human body.
Ultrasound and infrasound. Basic physical characteristics of noise. International scale of loudness. Rationing of noise. eleven
46. Classification of premises by the degree of danger of electric shock. 21
57. Sources of pollution of the hydrosphere. Main indicators of water pollution. -23
References to the used articles. 24
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