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It was bought by Infrastrata, a small London-based energy firm which did not have significant experience in marine engineering.

The new owner, Infrastrata, was a small London-based energy firm which did not have significant experience in marine engineering.

The new owner was not a recognised marine engineering company.

But changing up a ship’s power configuration is fairly routine, even if it’s been several months, said Neil J. Gallagher, a professor at the Webb Institute, a school that teaches naval architecture and marine engineering.

Thomas McKenney, a University of Michigan professor of naval architecture and marine engineering, said the tragedy in Baltimore raises questions about whether most cargo ships have enough safeguards.