按赛科要求为工程提供的一个安全系统，它规定了起重作业所有相关人员的相应职责和相关法定要求。
A safe system of work is required by SECCO. It provides guidelines to everyone involved with lifting operations on their responsibilities and relevant legal requirement.
为了能够安全进行此项作业，赛科要求所有起重作业应使用合格人员和合适的设备以安全的方式安全进行。
In order to carry out this operation safely, SECCO requires all lifting operation to be carried out in safe manner utilizing both competent personnel and proper equipment.
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