A Beginner's Guide to Energy Conservation
https://www.edocr.com/v/gxl7yqag/f4dxauk819/The-10-Scariest-Things-About-Health-And-Hygiene
Rather, because of your altitude, all your extra energy is in the shape of gravitational potential energy. Energy-saving slogans are meant to do exactly that, get hold of a person's interest as well as goad them