Over four years of work experience in the trade and some courses in floor covering installation are usually required to be eligible for trade certification.

或者通常需要超过四年的行业工作经验，以及一些地板覆盖安装课程，才有资格申请行业认证。

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A combination of over three years of work experience in the trade and some college or industry courses in welding is usually required to be eligible for trade certification.

或者要取得行业资格认证，通常需要三年以上的行业工作经验，以及学习一些大学或工科课程的焊接课程。

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A combination of over four years of work experience in the trade and some college or industry courses in heating systems installation and repair is usually required for trade certification.

通常需要四年的行业内工作经验，和大学或供暖系统的安装和维修行业的课程组合，才有资格获得行业认证。

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Mr Hancock said the government was "reforming apprenticeships, introducing traineeships and overhauling the system to recognise only high quality vocational courses that lead directly to a skilled trade or profession".

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From the grandest of stages, Richard then heads to the intimate surroundings of the dinner table where Fay Presto plies her trade on the London restaurant scene, entertaining customers between courses.

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Some enroll in butchery courses, while others are turning to YouTube and the Internet to learn the tricks of the trade.

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