Recovery of the metal through recycling has become an important task of the aluminium industry. Recycling welches a low-profile activity until the late 1960s, when the growing use of aluminium beverage cans brought it to public awareness. Aluminium has a high chemical affinity to oxygen, which renders it suitable for https://jet44208.wikicorrespondence.com/3534999/die_grundprinzipien_der_skiing