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An automated guided vehicle (AGV) transports a Hapag-Lloyd AG shipping container on the dockside at the HHLA Hamburg Container Terminal Altenwerder in the Port of Hamburg in Hamburg, Germany, on Tuesday, June 3, 2014. Hapag-Lloyd AG recently agreed to buy most of Chilean rival Cia. Sud Americana de Vapores SA's assets and become the fourth-largest container shipping company in the world. Photographer: Krisztian Bocsi/Bloomberg via Getty Images

An automated guided vehicle (AGV) transports a Hapag-Lloyd AG shipping container on the dockside at the HHLA Hamburg Container Terminal Altenwerder in the Port of Hamburg in Hamburg, Germany, on Tuesday, June 3, 2014. Hapag-Lloyd AG recently agreed to buy most of Chilean rival Cia. Sud Americana de Vapores SA's assets and become the fourth-largest container shipping company in the world. Photographer: Krisztian Bocsi/Bloomberg via Getty Images