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