Copper, zinc and brass - Stock Image - A632/0038 - Science Photo
Copper, zinc and brass (from left to right). Brass is an alloy of copper and zinc. ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY
Copper, zinc and brass - Stock Image - A632/0038 - Science Photo Library
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Copper, zinc and brass - Stock Image - A632/0038 - Science Photo Library
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Copper, zinc and brass - Stock Image - A632/0038 - Science Photo Library