lunes, 4 de octubre de 2010

Water means of transportation

Some of the greatest achievements in transportation are the water means of transportation. Two-thirds of Earth’s surface is covered by water, so the progress of civilization is naturally tied to the ability to move over water. Water transportation has progressed from early rafts and canoes to more-complex sailing ships to today’s large passenger and freight ships. as a result, people use them not just to work but also to travel.

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