This book is written by an internationally known author, Ranko Skansi, M.Sc. He explains the important parameters of human living, by mentioning the ergonomic frames of the life. It is of great importance to make things for the people and not for ourselves. Only then we might serve somebody by something we made. To understand the basic parameters, one should reach for psychology and humanometric premises. Putting them together with modern technology can guarantee that this solution will fit most of the people.