FGB
Literotica Guru
- Joined
- Aug 25, 2013
- Posts
- 7,366
is they are not silent.
They are meant to lower the sound Decibels to meet or beat the OSHA limits so they will not harm a persons hearing.
I think they are "shooting" for below 85 Decibels.
http://www.noisehelp.com/noise-level-chart.html
They are meant to lower the sound Decibels to meet or beat the OSHA limits so they will not harm a persons hearing.
I think they are "shooting" for below 85 Decibels.
http://www.noisehelp.com/noise-level-chart.html