A coveralled maintenance worker ran into the lobby .
一个穿着工作服的保养工奔进门厅。
Instruct and training the maintenance worker on production line.
指导和培训生产线维修人员的工作；
The cause of this accident is the mistake on changing parts by maintenance worker.
发生事故的原因是设备维修人员错误更换零部件造成的。
A maintenance worker had used abrasive floor cleaner, instead of the usual mild detergent, to wash out cages and water bottles.
一位清洁工人用了具腐蚀性的地板清洁剂，而不是一般温和的洗涤剂来清洗笼子和水瓶。
A maintenance worker had used an abrasive floor cleaner, instead of the usual mild detergent, to wash out cages and water bottles.
一位清洁工人用了具腐蚀性的地板清洁剂，而不是一般温和的洗涤剂来清洗笼子和水瓶。
A maintenance worker had used an abrasive floor cleaner, instead of the usual mild detergent, to wash out cages and water bottles.
一位清洁工人用了具腐蚀性的地板清洁剂，而不是一般温和的洗涤剂来清洗笼子和水瓶。
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