C
A
C
A
71 dB
C
A
71 dB
C
A
71 dB
C
A
71 dB
D
C
C
70 dB
D
D
72 dB
C
A
C
A
71 dB
C
A
70 dB
C
A
C
A
D
D
72 dB
C
A
71 dB
B
B
C
A
C
A
71 dB
C
A
71 dB
C
A
71 dB
C
C
D
D
72 dB