Warning: Undefined variable $width in /usr/www/users/noisesqchg/wp-content/themes/yoo_lykka_wp/layouts/single.php on line 23 Warning: Undefined variable $height in /usr/www/users/noisesqchg/wp-content/themes/yoo_lykka_wp/layouts/single.php on line 23

DID YOU KNOW | No.69

Written by Jolize-Mari du Plessis on . Posted in news

DID YOU KNOW | No.69: The threshold of pain is subjective and varies in literature between 120 dBA and 140 dBA. However, 120 dBA is most common.

 

Trackback from your site.