C
C
70 dB
C
C
70 dB
C
C
70 dB
D
D
70 dB
C
C
70 dB
C
C
70 dB
D
D
70 dB
C
C
70 dB
C
C
70 dB
C
C
70 dB
C
C
70 dB
C
C
C
C
C
C
70 dB
C
C
70 dB
D
D
72 dB
C
C
D
D
70 dB
C
C
70 dB
C
C
C
C
70 dB
C
C
70 dB
C
C
70 dB
C
C
70 dB