A wind vane is important to measure the[[1]], an anemometer is important to measure [[2]].

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Detailed Solution

To determine the direction of the wind, a wind vane is essential. The wind speed must be measured with an anemometer. These vanes are often made up of an arrow and a spindle. Having the four letters N (north), E (east), S (south), and W (west) on the cross. There is a tiny magnet bar inside of electronic wind vanes. Additionally, it has 4 reed switches. One is tasked with a particular direction. North is indicated on the compass for orientation. The wind speed must be measured with an anemometer. The majority of anemometers have three or four rotating cups set on a shaft. These shafts are attached to either the generator or a magnet and reed switch.

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