C
C
70 dB
C
C
70 dB
C
C
70 dB
C
C
C
C
70 dB
C
C
C
C
70 dB
C
C
70 dB
C
C
70 dB
C
C
70 dB
C
C
70 dB
C
C
C
C
70 dB
C
C
C
C
67 dB
C
C
70 dB
C
C
C
C
70 dB
C
C
70 dB
C
C
C
C
67 dB
C
C
C
C
C
C