Published Fitness & Lifestyle SURVIVAL SHELTER It will give better comfort, easier setup, and portable By Bryan Brin
Published Power & Utilities Self Propelling Mechanism This device is a source of rotary motion and energy. By Bryan Brin
Published Transport variable transmission this variable transmission is mechanical, with about 5 major components, and many gear ratios can be selected to drive a vehicle at optimum capacity. It is still an idea on paper, By Bryan Brin
