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DELFT, NETHERLANDS - NOVEMBER 17: Queen Maxima of The Netherlands in a green dress by Belgian Designer Edouard Vermeulen from Natan visits family company Octatube on the day of the entrepreneur on November 17, 2017 in Delft, Netherlands. Octatube is carrying out projects in-house from design to completion. (Photo by Patrick van Katwijk/Getty Images)

DELFT, NETHERLANDS - NOVEMBER 17: Queen Maxima of The Netherlands in a green dress by Belgian Designer Edouard Vermeulen from Natan visits family company Octatube on the day of the entrepreneur on November 17, 2017 in Delft, Netherlands. Octatube is carrying out projects in-house from design to completion. (Photo by Patrick van Katwijk/Getty Images)