Home Browse: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Meaning of bacteria bed
1. (n) layer of sand or gravel used to expose sewage effluent to air and the action of microorganisms

Copyright 2005 - 2018 Wordhut.com. All Rights Reserved. A Photo Ads site

1521726863.27 - 1521726863.43: 0.155203104019
{ 113139802 }