Query

[acosti]

Does anyone know what this looks like??

http://img164.imageshack.us/img164/5505/dsc03366yf5.th.jpg (http://img164.imageshack.us/my.php?image=dsc03366yf5.jpg)

[BobL]

That looks like some kind of aircon ducting and waste water pipe exiting a wall under a roofline/eve.
Here is an enhanced image.
http://www.woodworkforums.ubeaut.com.au/attachment.php?attachmentid=72933&stc=1&d=1210083284

[Tools]

They are motorised dampers on an aircon duct.

Tools