2003, World postal day 4v [:::]

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Product specifications
Main product: sirn3p4a
Country: Iran/Persia
Year: 2003
Is Unique: No
Entry Date: 15 Dec 2020
Product Type: Stamps Series

Science

Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. In an older and closely related meaning, "science" also refers to a body of knowledge itself, of the type that can be rationally explained and reliably...

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Bridges and Tunnels

Bridges are structures built using various materials to span physical obstacles such as valleys, roads, and rivers and their estuaries, to create a passageway over the obstacle.

Over the millennia man has constructed incredible bridges of various designs in places where the ingenuity of those...

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Horses

The horse is a hooved ungulate mammal. Unusually, horses are able to sleep both standing up and lying down. Female horses, called mares, carry their young for approximately 11 months, and a young horse, called a foal, can stand and run shortly following birth. The average lifespan of a horse is...

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