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It is time to don your lab coats and protective glasses because Business Daily is exploring the economics of another of those fundamental units of matter, the chemical elements. This week we look at tin with the help of two very venerable tin chemists. Our charismatic expert in all things chemical, Andrea Sella of University College London, explains the unique chemical properties of tin. We'll be learning about the metal's role in plastics and electronics and visiting a huge glass factory to discover how tin revolutionised the glass industry.