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.
In fact, this is how Instagram Direct has always worked: 1  Manage your messages: To access your Direct message inbox, tap the inbox symbol in the top right of the Feed section. You can manage the messages you've sent and received from here. 2  Send a message: To send a message, tap the + symbol from the inbox.