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.
1. Try adding the international dialing code to your cell phone number. 2. If, for some reason, Instagram is not able to send an automated text message to your number, try sending it to a friend or family member's phone. 3. You could also sign up to a service like http://www.textnow.com/ and use a phone number generated through a site like that to receive your code.