The wedge is used for alignment on specific types of FMC tubing hangers, with this particular design allowing for the alignment of multiple-string tubing hangers without external manipulation methods. Like all FMC tubing heads, the TC-WD-ET is of a straight-bore design, more economical to recondition after abandonment.
If you want to talk to an Instagram customer service representative on the phone, they can be reached toll-free at 1-650-543-4800. Again, though, some people have mentioned that this phone number simply goes to Facebook (Instagram's owner), and they say that they don't do over-the-phone support for Instagram.
Instagram is an easy-to-use mobile application that lets you capture and edit photos or videos on your tablet computer or smart phone. You can then share your creations on Instagram and various other social media websites, such as Facebook (which is currently Instagram's parent company), Twitter, and Foursquare.