Для полной функциональности сайта необходимо включить JavaScript.
Голосовать могут только зарегистрированные пользователи, необходимо выполнить вход.
Interesting abstract !
С Днем Энергетика!
And Happy Energy to you as well. Thank you for your kind comment.
Today is the holiday of workers of energetics in Russia
I hope they have a well-deserved holiday. Thank you for letting me know, Olga. Since I live in an "oil" state--Texas--maybe the state's hardworking oil industry folks deserve a holiday, too.