In order for an aluminum can to be recycled and therefore useful again, it must be crushed. Literally destroyed and made new.
It is like the story told of a business man selling some warehouse property. The building had been empty for months and needed repairs.
Vandals had damaged the doors, smashed the windows, and strewn trash around the interior. As he showed a prospective buyer the property, the man took pains to say that he would replace the broken windows, bring in