Hi. Today, I represent my two the day, I'll show you the work of high school. 2, which of us is that the work of my jewelry, gems, which is why we have made the work of this, because we have material that already exists, and find it comfortable to be carried out to be the subject that we have learned, in which to live in the course free to be the subject that we have chosen to study it in the field of interest and understand that I would like to do, teacher teach us.And today, we would like to explain the preparation of the materials to be used to do this, and, to explain how to do it again, that we have done, and a way to do the job ... and I'll help you with in the work of this we took a philosophy the economy enough to use.Well, we have to find material to burn and natural materials that have been carried out this work.and we're bringing the virtue of a philosophy the economy enough to be used with the obvious is the economy, because, as we said previously that we should use raw materials to use and nat...