On the other end are service occupations, those that involve "helping, caring for or assisting others, " such as security guard, cook and waiter.

一类是服务性质的职业，这类职业以“提供保障、安保、服务”为主，如保安、厨师、服务员等。

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Except a fire emergency, security guard who is patrolling can enter in guest room only with guest Service Manager house keeper.

除遇发生火警等紧急情况外，执行巡查任务的保安员必须在大堂副理或服务员的陪同下，方可进入客房。

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London-based Olive Security provides former British Special Air Service troops--one unarmed guard for every four or so engineers who go out on a job--to drive and offer a show of muscle.

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But Mr Saleh's son, Ahmed, still commands the elite Republican Guard, and three of the president's nephews hold powerful posts in the security service.

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