Have a friend he likes to study of solar energy monitor, and he to solar energy, the design of the monitor, the study also has some answers to do again good, every detail is done very reach the designated position, is also very like the sense of accomplishment, and sometimes he studied design, change some will also have obvious effect, also good, and his home solar energy monitor design also is his study, and each time he developed a fine style, he will be exciting for several days, the in the mind also split with a sense of accomplishment, sometimes at night to rest, the in the mind are thinking about solar energy of the monitor model.