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
Are You Metal? Are You Metal? "Are You Metal?" is a song and a single from German power metal band Helloween's thirteenth studio album 7 Sinners. The single was released physically only in Japan, containing 3 songs. There was also a digital single version available worldwide, which contained only the title song "Are You Metal?", entirely composed by vocalist Andi Deris. On 11 October the music video was released on Myspace. Visually, it draws heavily from the Saw movies. During the keyboard intro, the band's iconic "Helloween Pumpkin" can be seen as a human doing the "Devil Horns" sign. The video features the