Recycling is a process for treating waste (industrial waste or garbage) that allows reintroducing in the production cycle of a product, the materials that made ??up a similar product reaches its end of life, or manufacturing residues. One example that illustrates this process is the manufacturing of bottles with the new glass bottles used. There are many other examples that involves in recycling of discarded or wastage materials and obsolete objects. It includes computer and electronic accessories. They various points that evaluate its necessity and advantages will be discussed below.