The channel was created by me with the aim to share with all my developments in the field of heating equipment and energy saving. All videos are copyrighted and practical and working products are shown. There are patents for utility models. Many interesting, educational in physics and not only videos. I love nature and shoot interesting videos about it. If you can help the author in the development and development of the channel, then I ask you to be loyal to advertising in videos. You can transfer some money to the account 639002269022158046 Sberbank Maestro or to the phone 8-913-416-61-78. Regards ennady Wolves.