He worked in a factory, and also as a security guard in Shanghai. But one day, as he was thinking about how he could improve his life a little faster, he had a light bulb moment.

他一边在一个工厂工作一边在上海做保安，但是，有一天，当他正在思考着更快的提高自己的生活质量时，他突然灵光一闪。

youdao

Foreman Heng Tinghan denied involvement in the killing, which he blamed on a person apparently employed as a guard at the factory - and apologised to the workers, according to the Shiyan Evening News.

据《十堰晚报》报道，包工头衡庭汉向工人道歉，但否认参与杀人行为，将责任推到了一名显然是被聘为窑厂保安的人身上。

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When a private company bought the plant five or six years ago, his job was transferred elsewhere and Mr. Tang was demoted to guard at the factory gate.

六年以前，工厂被一个私人公司收购，唐先生的岗位被转到了别处，他被降职去看工厂大门。

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After leaving a few men to guard the prisoners, Brown and the others went to the gun factory across town.

VOA: special.2009.06.25

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Like nowadays, when you see a black security guard, that's the equivalent of somebody who used to work in the black factory.

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