In this Wednesday, April 22, 2020 photo, deckhand Gerard Bakulikira demonstrates the use of a Romware COVID Radius digital bracelet, which flashes red to when someone is too close to him, as he pulls in the rope in on deck of a tugboat in the Port of Antwerp, Belgium. Europe's second biggest port is readying to test an electronic device aimed at helping people respect social distancing as the spread of the coronavirus eases and they return to work. From next month, two teams of workers at the Belgian port of Antwerp will be wearing chunky plastic bracelets that vibrate and flash lights when they get too close to each other. (AP Photo/Virginia Mayo)

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