NEWS INDEX

The Birth of the First Helicopter in the World

the story of the first helicopter in the world 131988

The VS-300 is a helicopter with the world's first operational main rotor, laying the foundation for modern helicopter technology.The first test flight of the VS-300 helicopter took place in 1939. (Photo: Rare Historical Photos).Vought-Sikorsky...

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How to Survive an Earthquake?

how to survive an earthquake 81796

Earthquakes can lead to extremely serious consequences. This serves as a special warning during an earthquake, as not everyone among us has experience dealing with such situations.Even if you live in a safe area,...

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