求翻译：4、乙方应确保7天24小时有保安人员在岗，保安人员应负责在指定区域进行7天24小时巡逻，确保无人擅自闯入指定区域并在员工或车辆进出时进行必要的搜查。保安人员应确保没有未经许可的物品被运出指定区域，在24小时巡逻的基础上监控甲方厂区的物品流动。是什么意思？

4, B should ensure 24 7 security staff in the post, security personnel should be responsible for 7 days 24 hours patrols in the designated area , to ensure that no one intruded into the designated area and make the necessary searches when an employee or vehicle access .

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4th, the second party should guarantee for 7 days 24 hours to have the security personnel in the hillock, the security personnel should be responsible in to assign the region to carry on 7 days 24 hour patrols, guarantees nobody to intrude arbitrarily assigns the region and passes in and out when th

4, b ensure that 7 days 24 hours by security staff on the job, security personnel should be carried out at designated areas 7 days 24-hour patrols, ensure that there is no trespassing on the range and in staff or vehicles making the necessary searches. Security personnel should ensure that no unauth

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