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Saint Petersburg, RUSSIA - July 11, 2019: workers in lift bucket repair street light pole with double head and change the lighting to diode Stock Photo - Alamy
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Applied Sciences | Free Full-Text | Agustin de Betancourt's Mechanical Dredger in the Port of Kronstadt: Analysis through Computer-Aided Engineering | HTML
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Applied Sciences | Free Full-Text | Agustin de Betancourt's Mechanical Dredger in the Port of Kronstadt: Analysis through Computer-Aided Engineering | HTML
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