I decided to post only useful content, not to make you angry guys for advertising my hosting place. On video you can see backside of the wall, which divides facility into 2 spaces. From one side of the wall you need to have fresh, cool and clean air to go in, and other side is to remove hot air.

http://bit.ly/2HirlM7

Submitted March 14, 2019 at 03:29PM by shaborli http://bit.ly/2Hu0pIo