#proof of authentication
Joined content campaign

Telegram username: @hexonny black

Bitcoin talk username: hexonny

Bitcointalk url:https://bitcointalk.org/index.php?action=profile;u=1999721

ETH Address:0xC0FF6be03Ed4B47806ca4F13eAb16e6Fd03B930e


Link to post:

1. http://hexonny.com/papusha-rocket-technology-an-environment-friendly-technology-in-coal-and-oil-residues-utilization/

2. https://medium.com/@ugochukwu_nweke/papusha-rocket-technology-an-environment-friendly-technology-in-coal-and-oil-residues-utilization-228eb0ec7e51

3. https://www.linkedin.com/messaging/thread/6456756282786488320/