-

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: - 40 50 dB,

;

60 80 dB ;

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, , 85 dB(A) i 200 Pa, :

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90 dB(A) , . .

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- -85 dB(A), .

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( ) 85 dB(A).

85 dB(A) . 85 dB(A), ( ) .

, . . .

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