Hałas - współczesny czynnik fizyczny stanowiący istotne zagrożenie zdrowia człowieka

Noise is a burdensome factor with universal social scope. It touch all the people. It influence badly on the human health, reduce of work efficiency and increase a quantity of work accidents. The main source of noise is trach and industry.  Measurement of noise prove that traffic routes have a considerable acoustic influence on adjacent residential areas the greatest intensity. It exceed the most his admissible volume during a night. In the case of noise measurement of industry origin on observe reduction of case exceeding standard value above 15 dB.