The illustration above displays the procedure of salvaging plastics, and how in the day-to-day life. People make an effort to utilize the maximum potential of a malleable. After using different kinds and sizes of bottles a certain number of people do not believe that it is hygienic to reuse them. So, companies make an effort to collect them in various possible ways and send them back to the factory, where they seek a possible option to reuse them or maximize their utilization with a lower cost.
In the case of cans, it is not possible to reutilize the potential of the material, as they are not supposed to be salvageable after one use.
However, I can say that malleable things are harmful to nature, trees, soil, and crop production ability, and high usage of them eventually causes terminal illness in the human body. People should make less use of them.