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the process of keeping food cool to preserve it.


a farm machine that can cut and bind wheat into bushels at the same time.


an earth wall that farmers built to keep water from overflowing on to land.


an effort to win or gain something from others


a tower used to support oiling machines.


Mexican mutual aid society.

mutual aid society

a group in which the members help each other.


the Spanish word for neighborhood,a neighborhood where Mexican Americans live.

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