机修工

机修工是指使用工具维护或修理机器的工匠、熟练技工或技术员^[1]。大多数机修工基本只擅长某一领域的机器^[2]。机修工资质通常由行业协会或政府机构认证。机械师可根据其维修的机器类型分为两类，即重型机修工和轻型机修工。重型机修工主要维修大型机器或重型设备，如拖拉机和拖车，而轻型机修工主要维修较小的机器，如汽车发动机。

参考文献

^ 1980 Census of Population: Classified Index of Industries and Occupations. U.S. Department of Commerce, Bureau of the Census. 1982: O-68 [December 18, 2017]. （原始内容存档于2021-04-10）.
^ Henderson, C.J.; Dolphin, J.; Fehl, P.; Davenport, R. Career Opportunities in the Armed Forces. Career Opportunities Series. Facts On File, Incorporated. 2010: 230 [December 18, 2017]. ISBN 978-1-4381-1062-2. （原始内容存档于2021-04-10）.

[1] 1980 Census of Population: Classified Index of Industries and Occupations. U.S. Department of Commerce, Bureau of the Census. 1982: O-68 [December 18, 2017]. （原始内容存档于2021-04-10）.

[2] Henderson, C.J.; Dolphin, J.; Fehl, P.; Davenport, R. Career Opportunities in the Armed Forces. Career Opportunities Series. Facts On File, Incorporated. 2010: 230 [December 18, 2017]. ISBN 978-1-4381-1062-2. （原始内容存档于2021-04-10）.

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