Wednesday, October 17, 2012

Vertical angles




This is a land oil rig. It clearly shows in its supports that it uses vertical angles to hold the rig up. It is used by companies to drill into oil deposits in the ground.
I found it here: http://www.123rf.com/photo_5748532_oil-rig-pump-closeup-low-angle-view.html

No comments:

Post a Comment