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to 60 millimeters. so, the nation should develop a more accrate weather forecasting system. In 조선, King sejong of korea also was keen to determine the levels of rain for his people. Today, I want talk about the history of the rain...

rain gurge and water level gauge were developed during the Josen period. Aound 1440, Jan Ayeong’shil developed an accuragte rain gauge as the world’s first standarized device for measuring raingall. By collecting rain in a standard...

is incomparably stronger than any other bowstring. 1346 01:08:59,827 --> 01:09:02,663 The man who invented the rain gauge was a servant. 1347 01:09:03,038 --> 01:09:08,377 My grandfather and father were not ashamed to learn from him...

tells how warm or cool the air is. This man uses tools to measure weather. What do these tools measure? A rain gauge tells how much rain falls. Think and Write 1. When can weather change? 2. What are some things that weather tools...

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stanya

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The rain made the inside of the greenhouse cool. The soil was crumbly, perfect for harvesting potatoes. Watching the practitioners harvest potatoes, Sunim gave them additional guidance. “Please be careful not to damage the potatoes. And...

transportation companies. Edward Yardeni, president of Yardeni Research, agrees. He noted that one tool he uses to gauge economic health is the amount of goods moved by rail. Because these figures can be quite volatile from week to week...