例如，任何电气工作都应该由专业工人来完成。
For example, anything electrical should be done by a professional worker.
现在我们自己动手做事的热情很高，结果对于专业工人的依赖越来越少了。
So great is our passion for doing things for ourselves, that we are increasingly less dependent on specialized labour.
我们需要熟练工人和专业技术知识。
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