Вопрос № 230485 - Английский язык

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Timber belongs to one of the oldest building materials. It has been from ancient times and is still produced from 1_______ wood. Timber has always been highly usable in construction because of its many advantages. To these belong its strength, light weight, cheapness, and high 2_______. Its other advantage is that it belongs to natural resources and is naturally renewable. It is the more so that about a third of the world is still considered to be covered with forests. Besides, timber is resistant to corrosion produced by 3_______ substances in the modern polluted atmosphere. One more advantage of timber is that it can be used for many construction 4_______.

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Reforestation is the system of providing timber as raw material for wood products.

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The dismantling of a ship means the reconstruction of a ship.

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The introduction of cannons onto ships encouraged techniques for strengthening the internal frame of a ship.

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Keel laying is the most important process in shipbuilding.

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Ship models are created with the purpose of designing a new ship.