People that have not been properly trained can't do this kind of work.
没有受过适当训练的人做不了这种工作。
Employees must be properly trained in the wearing of personal protective equipment.
员工必须经过穿戴个人防护装备的适当训练。
Personnel involved in quality system activities shall be properly trained, both by education and experience.
参与质量体系活动的人员应接受正确的培训，既包括教育也包括经验。
Personnel involved in quality system activities shall be properly trained, both by education and experience.
参与质量体系活动的人员应接受正确的培训，既包括教育也包括经验。
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