American Ethane Company website nor by its publications although these foreigners have significant interests in American Ethane. Finally, Konstantin Nikolaev is a partner and close associate of Vladimir Putin's inner circle through Igor Levitin, Alexey Mordashov, Arkady Rotenberg, and Gennady Timchenko. American Ethane Company American Ethane Company, LLC (AEC) is the largest producer of ethane in the United States. It is a Houston, Texas, based American petroleum company established in January 2014 with offices in New Orleans. It is privately held with large investments from Russian oligarchs who are close to Vladimir Putin's inner circle. As of July 2018, Konstantin Nikolaev, Mikhail Yuriev,
Sparring some schools, permission to begin sparring is granted upon entry. The rationale for this decision is that students must learn how to deal with a fast, powerful, and determined attacker. In other schools, students may be required to wait a few months, for safety reasons, because they must first build the skills they would ideally employ in their sparring practice. Sparring is normally distinct from fights in competition, the goal of sparring normally being the education of the participants. The educational role of sparring is a matter of some debate. In any sparring match, precautions of some sort must be