Drink can dealers often purchase aluminium cans in bulk, even when deposits are not offered. Aluminium is one of the most cost-effective materials to recycle. When recycled without other metals being mixed in, the can–lid combination is perfect for producing new stock for the main part of the can—the loss of magnesium during melting is made up for by the high magnesium content of the lid. Also, reducing ores such as bauxite into aluminium requires large amounts of electricity, making recycling cheaper than producing new metal. Aluminium cans are coated internally to protect the aluminium from oxidizing. Despite this coating, trace amounts
Can You Keep a Secret? 2001 in Japan. In the World Charts, "Can You Keep a Secret?" reached number 37 for single airplay and number 9 for sales. The most recent figures (May 26, 2006) show that the single sold 1,484,940 units in total. It also remains one of Utada's fan favorites. The music video for this song includes a robot whom Hikaru appears to be in a relationship with. Utada performed "Can You Keep a Secret?" on her 2010 tour, . Japan (Oricon) Can You Keep a Secret? "Can You Keep a Secret?" is a song by Hikaru Utada, released as her seventh Japanese-language