Industrial estates provide infrastructure and services for companies.
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Airports provide infrastructure and services necessary for aviation.
Trolleybuses and trams are environment-friendly means of public transport
Tower cranes are machines used for lifting loads weighing up to several tonnes.
An air conditioner cools the air inside by drawing heat away and releasing it outside.
The Internet allows us to send data quickly to large distances.
This animation demonstrates how lifts work.
This animation demonstrates how mobile phones work.
This animation demonstrates the structure of water towers.
Inventions in the 18th century resulted in huge advances in the development of the textile industry.
A metropolis is a large city with a population of over 1 million people.
At the end of the 18th century, mining boomed because of the great need for raw materials in the dynamically developing industry.
Ports must provide necessary infrastructure and services for industry and marine transport.
This animation demonstrates the development of freight transport, from horse-drawn carts to modern lorries.
Several political and economic unions have been formed between countries during the past decades.