<em>needs is often a door to invention; In the Second World War a series of objects were developed to facilitate either communication or to fix objects that suffered some damage.
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<em>Some of those inventions that took place in the Second World War are:</em>
Walkie Talkie: <em>This invention was carried out in 1940 on behalf of Motorola; its function consisted of a double-track radio, which played a very important role for long-distance communication in the Second World War
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Adhesive tape: <em>During the Second World War the machinery, ammunition and equipment suffered some damage and it is for this reason that the soldiers will need some characteristics resistant to water, strong and flexible to repair said damages, this is why Johnson & Johnson invents the adhesive tape.</em>
