Article 55 Labourers to be engaged in specialized operations must receive specialized training and acquire qualifications for such special operations.
第五十五条从事特种作业的劳动者必须经过专门培训并取得特种作业资格。
They may farm out highly specialized operations to other factories.
他们可以把高度专门化的工作外包给其他厂家。
A variety of specialized operations, such as saw mills and gristmills, began to appear.
各种专业化作坊开始出现，如锯木铺和磨坊等。
A variety of specialized operations, such as saw mills and gristmills, began to appear.
各种专业化作坊开始出现，如锯木铺和磨坊等。
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