Completar frases BRUPP u4Versión en línea BRUPP unit 4 por Montse Comellas Ángeles 1 INNOVATIVE PRACTICAL BENEFITS CONCEPT PROPOSITION TECHNOLOGY The Cell Zone TM is an idea from Salemi Industries . The key behind this sound - resistant cell phone booth is that it lets you make and receive cell phone calls without disturbing anyone . It's a solution to the increasing problem of making calls in noisy public spaces where you need somewhere quiet and private to talk . With its ergonomic cylindrical shape , the Cell ZoneTM is a product where cutting - edge is combined with a stylish design . It's made from two steel cylinders fitted inside each other . The space between is filled with a soft , sound - absorbing material that acts as an additional sound barrier . One of the major of the Cell ZoneTM is that it can be located almost anywhere - airports , nightclubs , restaurants , libraries , sports stadiums , hotels , shopping malls or even on the street . The exterior of the booth can also be used for advertising , making it a commercially - viable .
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