Podľa druhej vety termodynamickej prúdi tepelná energia z látky alebo predmetu s vyššou teplotou k látke alebo predmetu s nižšou teplotou. As nations establish they use more and more Vitality. One example is China and India are expanding swiftly without the need of environmental controls. And air pollution is growing. https://plynov-tepeln-erpadla42086.bligblogging.com/22575726/about-tepelná-čerpadla