For a signal or voice to be heard, it should be at least_______ decibels louder than the surrounding noise level at the work station.
A) 5
B) 10
C) 15
D) 20

Name: For a signal or voice to be heard, it should be at least_______ decibels louder than the surrounding noise level at the work station. A) 5 B) 10 C) 15 D) 20
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The Answer of For a signal or voice to be heard, it should be at least_______ decibels louder than the surrounding noise level at the work station.
A) 5
B) 10
C) 15
D) 20

For a Signal or Voice to Be Heard, It Should