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 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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As a part of multi-disciplinary approach, installation art was also introduced into the design; this three-dimensional work is designed specifically to engage with viewer's sensory experience.

电梯大堂作为参加多学科的方法，装置艺术也引入设计，这种三维的工作是专门从事与观众的感官体验。

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