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Tourism is a significant sector of the economy that grows continuously all around the world.
Hovercrafts are capable of travelling at high speed above the surface of water.
Transport planning that involves two distinct parts of a major city is no mean feat. Especially...
The main sources of water pollution are industry, agriculture and urban areas.
Ports must provide necessary infrastructure and services for industry and marine transport.
The largest international organization of the world; it includes every country of the Earth. Its...
Tidal power stations utilise the daily fluctuation of the water level for producing electricity.
This animation demonstrates the main sources of soil pollution.