The data table shows the sound levels of common noise Which profession has the greatest risk of sound damage
to the ear?
sources.
Noise Source
woodworker
Sound Level
in Decibels
140
O librarian
130
O teacher
D truck driver
120
110
100
90
80
Jet engine (at 25 meters)
Jet aircraft (at 100 m)
Rock and roll concert
Pneumatic chipper
Woodworking machines
Chainsaw
Heavy truck traffic
Business office
Conversational speech
Library
Bedroom
Secluded woods
Whisper
70
60
50
40
30
20