Вопрос № 230436 - Английский язык

Buildings of the 19th century are characterized by the use of new materials and by a great diversity of architectural styles. From the end of the 18th century iron and steel became widely used as alternatives to wood, for by that time many countries experienced shortage of this material. Later the Industrial Revolution brought mass-production of building parts which were manufactured at a factory and then simply assembled at a site.
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When did iron and steel become widely used as alternatives to wood?

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When did iron and steel become widely used as alternatives to wood?
Buildings of the 19th century are characterized by the use of new materials and by a great diversity of architectural styles. From the end of the 18th century iron and steel became widely used as alternatives to wood, for by that time many countries experienced shortage of this material. Later the Industrial Revolution brought mass-production of building parts which were manufactured at a factory and then simply assembled at a site.

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Wood is still considered as the most widely used material for boat building.

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The .naval sector. includes commercial and military shipbuilding.

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Round ships were developed by the Greeks.

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There are a lot of approaches in designing and developing ships.