Relacionar Columnas Materials for technical useVersión en línea What is involved in making a mobile phone? Match the following elements. por Jesús Espinosa 1 How much does it cost? 2 How does it work? 3 What materials is it made of? 4 What is it for? 5 How big is it? 6 The outer casing of mobile phones is typically made from... plastic (polycarbonate), aluminium and magnesium. For people to talk to each other from wherever they are. They work like two-way radios: the phone converts the sounds of your voice into radio signals and transmits them to another phone, which converts them back into sound. Plastic, aluminium and other metals The average price for a free smartphone is currently anywhere between 400€ and 800€. Nowadays the average is more than 5 inches long (12.7 cm).
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