Good ventilation is required in the casting shop and sanding shop. Operators must wear protective gauze mask to prevent intake of metal powder through respiration to harm human body.
在铸造间、打磨间要有良好的通风装置，员工须戴防护口罩，防止吸入金属粉尘对身体带来不利。
Good ventilation is required in the casting shop and sanding shop. Operators must wear protective gauze mask to prevent harm from metal powder to human body.
铸造间、打磨间、通风应良好，员工操作时应带防护口罩，防止金属粉尘给员工身体带来不利。
Good ventilation is required in the casting shop and sanding shop. Operators must wear gauze mask at work to prevent harm of metal powder to human body.
铸造间、打磨间、通风应良好，员工操作时应带防护口罩，防止金属粉尘给员工身体带来不利。
Jobs that plummeted to the bottom of the happiness chart along with the roofers included garage and service station attendants and molding and casting machine operators.
同屋顶工一样是在快乐程度名单上垫底的职业包括：垃圾和服务站工作人员，制模和铸造机器操作员。
Jobs that plummeted to the bottom of the happiness chart along with the roofers included garage and service station attendants and molding and casting machine operators.
同屋顶工一样是在快乐程度名单上垫底的职业包括：垃圾和服务站工作人员，制模和铸造机器操作员。
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