Completion of a mechanical apprenticeship program, such as millwrighting, machining, pipelining, automotive service or heavy equipment repair.
完成机械学徒课程，如磨粉机设计，加工，管道安装，汽车维修或重型设备维修。
A combination of over four years of work experience in the trade and some high school, college or industry courses in heavy equipment repair is usually required to be eligible for trade certification.
或具备超过四年的行业经验，同时完成某高中，大学或行业重型设备维修课程才能取得行业认证。
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