Silo
![Grain bins](https://upload.wikimedia.org/wikipedia/commons/6/65/Grain_bins_in_Cashton%2C_Wisconsin.jpg)
Silos are commonly used for bulk storage of grain, coal, cement, carbon black, woodchips, food products and sawdust. Three types of silos are in widespread use today: tower silos, bunker silos, and bag silos.
Silos are used in agriculture to store fermented feed known as silage. Provided by Wikipedia
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