Image: Noise level from a lawn mower measured using the NIOSH Sound Level Meter app
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Description: Noise level from a lawn mower showing 83 decibels, A-weighted, measured using the NIOSH Sound Level Meter app
Title: Noise level from a lawn mower measured using the NIOSH Sound Level Meter app
Credit: NIOSH
Author: Chuck Kardous (NIOSH)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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