O'zbekiston respublikasi oliy va o'rta maxsus ta'lim vazirligi o. T. Hasanova, V. V. Zаyniddinоv hayot faoliyati xavfsizligi

 
Technosphere parameters and its impact on labor 
142 
9.2.1 
 
Environmental conditions. Adaptation of the body 
to the environment. 
144 
9.2.2 
 
Hygienic norms of the industrial microclimate and 
their impact on the human body 
151 
9.2.3 
 
Creation of normal working environment 
155 
9.3 
 
Harmful substances in the air of a work 
environment 
158 
9.3.1
Negative effects of dust on the human body. Dust 
protection measures 
158 
9.3.2
Harmful substances in the production process 
160 
9.3.3
Effects of harmful and hazardous substances on the 
human body 
164 
9.4.
Industrial ventilation system 
167 
9.4.1
Natural and artificial ventilation of industrial 
premises 
174 
9.4.2 
Air conditioning 
174 
9.4.3
Emergency ventilation systems 
177 
9.5
Cleaning devices for industrial dust and harmful 
substances. The principle of operation of treatment 
devices 
179 
9.6
Industrial lighting system 
180 
9.6.1
Industrial lighting and its regulation 
180 
9.6.2
Natural and artificial lighting. Means and types of 
183 

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480 
lighting 
9.6.3
Sanitary lighting requirements 
190 
9.7
Noise and vibration in the workplace 
192 
9.7.1
Causes and sources of noise. Noise classification. 
The harmful effects of noise on the human body 
192 
9.7.2
Means and methods of noise protection 
196 
9.7.3
The harmful effects of ultrasound and infrasound on 
the human body. Sources and causes 
198 
9.7.4
Harmful effects of vibration on the human body 
199 
9.8
Industrial emissions 
207 
9.8.1
Electromagnetic 
field. 
Rationing 
of 
the 
electromagnetic field. Security methods 
207 
9.8.2
Laser radiation 
210 
9.8.3
Radioactive radiation. The effect of radioactive rays 
on the human body. Radiation protection 
212