For example, in the United States there has been a change in the agricultural sector workers to occupations and more. Main reasons influencing these changes in America: The machine can work instead of sending more security, satok, good for farmers in the agricultural sector because of the hard work farmers as the price of output uncertainties. When developing the manufacturing process improvement make the labor movement to the workers outside the agricultural sector and more. By working outside the agricultural sector, it will make farmers more income and stability more than ever. Skilled workers to the labour market in the country.
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