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.
How To Use The New Instagram Messaging Feature. Instagram has a new messaging feature called Instagram Direct. Instagram Direct lets you send photos and videos directly to up to 15 of your followers. You can then send text messages to each other and see in real time if someone in the group likes it.