Nowadays, the standard of human civilization has been developed in the step by step study of nature. There are innumerable natural education materials scattered around the world. When the man walks on his feet and walks on the feet of the moon, the man has succeeded to walk on the moon! With the aim of building the land on the moon, the land market has already started. People have been far ahead of implementing the desire to travel from the interior has long been used in human welfare. Advantages of alternative inventions have started to be considered in advance for those limited resources. The science contributes to the inefficient contribution of nature. This contribution of nature will continue until the time of the destruction.
