It represents the process of changing the original purpose of a product, ie waste. The subject may be slightly physically modified to be used for other purposes. With these minor changes, the subject retains its chemical composition, does not undergo major mechanical changes, and is not exposed to a change in its previous state. So, we keep the same object but change its purpose. In addition to the savings of various resources, such as recycling, this represents some financial savings. Lucius provides a positive example in this industry by selling used industrial equipment and machinery.