dB: What is a decibel?: http://bit.ly/XHWiO6 http://bit.ly/1mxbFVA

dB: What is a decibel?: http://bit.ly/XHWiO6 http://bit.ly/1mxbFVA Source:

dB: What is a decibel?: http://bit.ly/XHWiO6 http://bit.ly/XHWk8E

— reaktorplayer (@reaktorplayer) September 21, 2014

September 21, 2014 at 04:12PM

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