A coveralled maintenance worker ran into the lobby .

一个穿着工作服的保养工奔进门厅。

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Instruct and training the maintenance worker on production line.

指导和培训生产线维修人员的工作；

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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。

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An Illinois maintenance worker convinced a jury that the manganese fumes emitted during welding caused his Parkinson's.

FORBES: Twitch & Shout

Killed along with Brokaw in the Afghanistan crash were maintenance worker Gary Stockdale, 51, of Romulus, Mich.

NPR: Company IDs 7 Killed In Afghanistan Plane Crash

The return to the old South Ferry station didn't faze Luis Nieves, a 49-year-old Manhattan maintenance worker.

WSJ: NYC's old South Ferry subway station reopens