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The main functions of lipids, their significance for the overall metabolism

The strength of gravity: the characteristic and practical significance

Layout and master plans Concrete plant

The structure and properties of water

Are we threatened with heat death of the universe?

The kingdom of mushrooms

What is the alpha male, and apply this term to a man?

Catarrhini and its subtypes

Pathogenic bacteria and their types

Types of Turtles

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Timber industry
Oil refining, primary and secondary refining
Russia's oil industry